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ATA 51 Structure Parts Catalog - Explore Now

The ATA numbering system, also known as the Air Transport Association (ATA) chapters, is a widely recognized and standardized system used in the aviation industry to document parts, components, and entire commercial aircraft. This system, like many others in the aerospace industry, serves to provide a common understanding for pilots, maintenance technicians, engineers, and others involved in aircraft operations.

The ATA 100 system is divided into several sections, with one of them being the ATA Group. Each group contains specific ATA chapters such as ATA Group – Structure, one of which refers specifically to the components listed under ATA Chapter 51. It’s provide important information on aircraft systems such as electrical power, fire protection, fuel, navigation, hydraulic, and more. If you’re in search of ATA Structure or other ATA names, Aviation Parts Circuit is your one-stop-shop. We specializes in supplying ATA chapters parts of ATA 51 under ATA Group Structure.


Part No Description ATA Number ATA Chapter RFQ
457U2800-162 tube 51 Standard Practices And Structures - General RFQ
BCREF56217 spacer 51 Standard Practices And Structures - General RFQ
BACG20AD233 grommet 51 Standard Practices And Structures - General RFQ
5024-007 valve 51 Standard Practices And Structures - General RFQ
BCREF73843 bracket assy 51 Standard Practices And Structures - General RFQ
69B64002-15 fitting assy 51 Standard Practices And Structures - General RFQ
BCREF73141 fitting 51 Standard Practices And Structures - General RFQ
65B12458-33 web assy 51 Standard Practices And Structures - General RFQ
631-10135-1 web 51 Standard Practices And Structures - General RFQ
146N5424-2 tube assy 51 Standard Practices And Structures - General RFQ
287U0029-9 clip assy 51 Standard Practices And Structures - General RFQ
BCREF10680 duct 51 Standard Practices And Structures - General RFQ
287U0092-7 retainer 51 Standard Practices And Structures - General RFQ
451U3004-68 tube 51 Standard Practices And Structures - General RFQ
747-53-2702-0080-2 fitting 51 Standard Practices And Structures - General RFQ
232N1003-17 threshold 51 Standard Practices And Structures - General RFQ
144N8087-15 hose 51 Standard Practices And Structures - General RFQ
747-53-2740-0067-2 support assy 51 Standard Practices And Structures - General RFQ
BACB30MA6-6 bolt 51 Standard Practices And Structures - General RFQ
457U2800-167 tube 51 Standard Practices And Structures - General RFQ
457U2800HN1650370274 channel assy 51 Standard Practices And Structures - General RFQ
BCREF82935 gutter assy 51 Standard Practices And Structures - General RFQ
457U2800-34 tube 51 Standard Practices And Structures - General RFQ
747-53-2734-0073-2 fitting 51 Standard Practices And Structures - General RFQ
116U6126-9 rib assy 51 Standard Practices And Structures - General RFQ
457U2800-19 tube 51 Standard Practices And Structures - General RFQ
BOE2013-0273 hose 51 Standard Practices And Structures - General RFQ
65B26633-146 tube 51 Standard Practices And Structures - General RFQ
457U2810-3 pan assy 51 Standard Practices And Structures - General RFQ
141T4845-38 stud instl 51 Standard Practices And Structures - General RFQ
65B26633-145 tube 51 Standard Practices And Structures - General RFQ
140N2023-1 valve assy 51 Standard Practices And Structures - General RFQ
457U2815-24 hinge 51 Standard Practices And Structures - General RFQ
0207-0063-0100 hose 51 Standard Practices And Structures - General RFQ
65B63857-154 tube 51 Standard Practices And Structures - General RFQ
116U6223-8 rib 51 Standard Practices And Structures - General RFQ
116U6215-8 rib 51 Standard Practices And Structures - General RFQ
65B26633-23 tubing 51 Standard Practices And Structures - General RFQ
284U1104-4 tube 51 Standard Practices And Structures - General RFQ
65B63855-20 tube 51 Standard Practices And Structures - General RFQ
116U5230-192 plate 51 Standard Practices And Structures - General RFQ
65B63857-138 tube 51 Standard Practices And Structures - General RFQ
451U3004-36 tube 51 Standard Practices And Structures - General RFQ
65B62236-1 tube 51 Standard Practices And Structures - General RFQ
747-53-2788NC0180-1 fitting 51 Standard Practices And Structures - General RFQ
65B62027-62 bracket assy 51 Standard Practices And Structures - General RFQ
631-10135-13 leg 51 Standard Practices And Structures - General RFQ
BACS40R017C031F shim 51 Standard Practices And Structures - General RFQ
451U3001-1 pan 51 Standard Practices And Structures - General RFQ
140W4053-3 hot melt 51 Standard Practices And Structures - General RFQ
457U2815-49 bracket 51 Standard Practices And Structures - General RFQ
65B17416-11 valve assy 51 Standard Practices And Structures - General RFQ
140U0405-2 reducer 51 Standard Practices And Structures - General RFQ
65B14867-58 seal 51 Standard Practices And Structures - General RFQ
284U1135-7 gutter 51 Standard Practices And Structures - General RFQ
65B26633-41 tube 51 Standard Practices And Structures - General RFQ
2709813-1 fitting 51 Standard Practices And Structures - General RFQ
510-3585 tee 51 Standard Practices And Structures - General RFQ
657N4420-1001 gutter instl 51 Standard Practices And Structures - General RFQ
65B19048-3 drain instl 51 Standard Practices And Structures - General RFQ
217U1207-11 cap assy 51 Standard Practices And Structures - General RFQ
BACJ40A10-2 jumper assy 51 Standard Practices And Structures - General RFQ
65B26633-39 tube 51 Standard Practices And Structures - General RFQ
65B17459-19 basin instl 51 Standard Practices And Structures - General RFQ
65B26633-110 tube 51 Standard Practices And Structures - General RFQ
457U2801-34 tube 51 Standard Practices And Structures - General RFQ
BCREF69978 fitting 51 Standard Practices And Structures - General RFQ
65B26633-20 tubing 51 Standard Practices And Structures - General RFQ
814B1548-5 doubler 51 Standard Practices And Structures - General RFQ
65B26633-48 tube 51 Standard Practices And Structures - General RFQ
65B48056-52 tube assy 51 Standard Practices And Structures - General RFQ
116U6125-6 rib assy 51 Standard Practices And Structures - General RFQ
232N1002-5SP tread 51 Standard Practices And Structures - General RFQ
457U2801-18 tube 51 Standard Practices And Structures - General RFQ
457U2800-106 tube 51 Standard Practices And Structures - General RFQ
457U2815-21 bracket 51 Standard Practices And Structures - General RFQ
BCREF55717 tube 51 Standard Practices And Structures - General RFQ
273A4800-1 seal instl 51 Standard Practices And Structures - General RFQ
116U6229-2 rib 51 Standard Practices And Structures - General RFQ
BACG20ZA000444 grommet 51 Standard Practices And Structures - General RFQ
BCREF78585 spud assy 51 Standard Practices And Structures - General RFQ
65B63855-12 tube 51 Standard Practices And Structures - General RFQ
BACD40AB08C0180A duct 51 Standard Practices And Structures - General RFQ
BCREF79125 fitting 51 Standard Practices And Structures - General RFQ
116U5130-125 plate assy 51 Standard Practices And Structures - General RFQ
457U2801-33 tube 51 Standard Practices And Structures - General RFQ
BACB30KK6-5 bolt 51 Standard Practices And Structures - General RFQ
65B17393-6 plate 51 Standard Practices And Structures - General RFQ
116U5130-127 plate assy 51 Standard Practices And Structures - General RFQ
69-27191-268 hose 51 Standard Practices And Structures - General RFQ
65B48056-48 tube assy 51 Standard Practices And Structures - General RFQ
457U2800-174 tube 51 Standard Practices And Structures - General RFQ
65B26633-22 tubing 51 Standard Practices And Structures - General RFQ
BACF3F015T042NN shim 51 Standard Practices And Structures - General RFQ
457U2800-155 tube 51 Standard Practices And Structures - General RFQ
65B17446-6 tube 51 Standard Practices And Structures - General RFQ
451U3001-2 pan 51 Standard Practices And Structures - General RFQ
65B63851-117 filler 51 Standard Practices And Structures - General RFQ
65B48056-23 plate 51 Standard Practices And Structures - General RFQ
116U6128-2 rib assy 51 Standard Practices And Structures - General RFQ
116U6125-9 rib assy 51 Standard Practices And Structures - General RFQ
116U6223-1 rib 51 Standard Practices And Structures - General RFQ
451U3004-88 tube 51 Standard Practices And Structures - General RFQ
NAS463WDD10H spacer 51 Standard Practices And Structures - General RFQ
116U6121-3 rib assy 51 Standard Practices And Structures - General RFQ
457U2800-86 tube 51 Standard Practices And Structures - General RFQ
69B15335-1 collector assy 51 Standard Practices And Structures - General RFQ
457U2800-93 tube 51 Standard Practices And Structures - General RFQ
65B26633-121 tube 51 Standard Practices And Structures - General RFQ
845B2102-47 tube assy 51 Standard Practices And Structures - General RFQ
65B17459-4 weld assy 51 Standard Practices And Structures - General RFQ
65B26633-57 tube 51 Standard Practices And Structures - General RFQ
457U2800-149 tube 51 Standard Practices And Structures - General RFQ
65B19048-4 drain instl 51 Standard Practices And Structures - General RFQ
BCREF59352 fitting 51 Standard Practices And Structures - General RFQ
140U0402-7 tube 51 Standard Practices And Structures - General RFQ
457U2815-50 bracket assy 51 Standard Practices And Structures - General RFQ
BCREF78148 support 51 Standard Practices And Structures - General RFQ
65B48056-47 tube assy 51 Standard Practices And Structures - General RFQ
451U3004-38 tube 51 Standard Practices And Structures - General RFQ
140W2810-24 valve assy 51 Standard Practices And Structures - General RFQ
116U6124-7 rib assy 51 Standard Practices And Structures - General RFQ
845B2102-62 support 51 Standard Practices And Structures - General RFQ
457U2801-19 tube 51 Standard Practices And Structures - General RFQ
BCREF119568 duct 51 Standard Practices And Structures - General RFQ
457U2815-57 plate 51 Standard Practices And Structures - General RFQ
457U2815-58 plate 51 Standard Practices And Structures - General RFQ
284U1135-85 panel 51 Standard Practices And Structures - General RFQ
65B14867-71 seal 51 Standard Practices And Structures - General RFQ
116U5130-90 plate assy 51 Standard Practices And Structures - General RFQ
451U3004-31 tube 51 Standard Practices And Structures - General RFQ
65B48056-38 filler 51 Standard Practices And Structures - General RFQ
65B12458-26 web 51 Standard Practices And Structures - General RFQ
FT997 fitting 51 Standard Practices And Structures - General RFQ
457U2800-70 tube 51 Standard Practices And Structures - General RFQ
BACF3H08EM008HN filler 51 Standard Practices And Structures - General RFQ
457U2800-172 tube 51 Standard Practices And Structures - General RFQ
C747-21-2445-0011-1 plate 51 Standard Practices And Structures - General RFQ
457U2800-72 tube 51 Standard Practices And Structures - General RFQ
BACN10RB3F plate 51 Standard Practices And Structures - General RFQ
116U6226-2 rib 51 Standard Practices And Structures - General RFQ
451U3003-3 pan assy 51 Standard Practices And Structures - General RFQ
BACN10JZ3B2 nutplate 51 Standard Practices And Structures - General RFQ
116U6223-2 rib 51 Standard Practices And Structures - General RFQ
B0E2013-0273 hose 51 Standard Practices And Structures - General RFQ
747-53-2517NC0106-1 fitting 51 Standard Practices And Structures - General RFQ
284U1135-20 gutter assy 51 Standard Practices And Structures - General RFQ
65B17459-20 basin instl 51 Standard Practices And Structures - General RFQ
65B17460-11 weld assy 51 Standard Practices And Structures - General RFQ
IT-4350-382 hose 51 Standard Practices And Structures - General RFQ
BCREF70691 angle 51 Standard Practices And Structures - General RFQ
747-25-3500-0055-1 bracket assy 51 Standard Practices And Structures - General RFQ
845B2102-60 support 51 Standard Practices And Structures - General RFQ
BCREF67476 bracket assy 51 Standard Practices And Structures - General RFQ
116U6124-8 rib assy 51 Standard Practices And Structures - General RFQ
457U2801-5 tube 51 Standard Practices And Structures - General RFQ
232N1003-13 angle 51 Standard Practices And Structures - General RFQ
457U2800-44 tube 51 Standard Practices And Structures - General RFQ
747-53-2600NC0229-1 fitting 51 Standard Practices And Structures - General RFQ
BCREF75557 fitting 51 Standard Practices And Structures - General RFQ
65B48056-43 filler 51 Standard Practices And Structures - General RFQ
FT998 fitting 51 Standard Practices And Structures - General RFQ
116U6216-5 rib 51 Standard Practices And Structures - General RFQ
457U2800-63 tube 51 Standard Practices And Structures - General RFQ
747-53-2740-RT691-00 gutter assy 51 Standard Practices And Structures - General RFQ
BACF3F009X063NN filler 51 Standard Practices And Structures - General RFQ
BACF3H07LT009HN filler 51 Standard Practices And Structures - General RFQ
451U3004-49 tube 51 Standard Practices And Structures - General RFQ
BACR15DA4C rivet 51 Standard Practices And Structures - General RFQ
845B2102-31 support assy 51 Standard Practices And Structures - General RFQ
BACB30FN5AK4 bolt 51 Standard Practices And Structures - General RFQ
451U3004-34 tube 51 Standard Practices And Structures - General RFQ
457U2800-50 tube 51 Standard Practices And Structures - General RFQ
273A4800-2 seal instl 51 Standard Practices And Structures - General RFQ
BCREF71557 fitting 51 Standard Practices And Structures - General RFQ
BCREF68376 bracket 51 Standard Practices And Structures - General RFQ
284U1135-30 panel 51 Standard Practices And Structures - General RFQ
140W2810-16 housing 51 Standard Practices And Structures - General RFQ
141N5272-4 retainer assy 51 Standard Practices And Structures - General RFQ
116U5130-117 plate assy 51 Standard Practices And Structures - General RFQ
116U5130-107 vapor barrier assy 51 Standard Practices And Structures - General RFQ
140W2810-3 housing 51 Standard Practices And Structures - General RFQ
2703329-501 valve assy 51 Standard Practices And Structures - General RFQ
232N1003-9 spacer 51 Standard Practices And Structures - General RFQ
457U2800-16 tube 51 Standard Practices And Structures - General RFQ
747-24-2267-0150-1 gutter assy 51 Standard Practices And Structures - General RFQ
BOE2013-0643 hose 51 Standard Practices And Structures - General RFQ
BACN10TL3A5 nutplate 51 Standard Practices And Structures - General RFQ
747-53-2716-0026-1 fitting 51 Standard Practices And Structures - General RFQ
65B48056-17 tube assy 51 Standard Practices And Structures - General RFQ
457U2815-65 bracket 51 Standard Practices And Structures - General RFQ
BACF3H10YP008HN filler 51 Standard Practices And Structures - General RFQ
457U2801-120 tube 51 Standard Practices And Structures - General RFQ
457U2800-14 tube 51 Standard Practices And Structures - General RFQ
T0-12WN tee 51 Standard Practices And Structures - General RFQ
65B17393-4 adapter assy 51 Standard Practices And Structures - General RFQ
457U2800-37 tube 51 Standard Practices And Structures - General RFQ
284U1135-53 gutter assy 51 Standard Practices And Structures - General RFQ
BCREF77618 fitting 51 Standard Practices And Structures - General RFQ
116U6123-5 rib assy 51 Standard Practices And Structures - General RFQ
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