At Aviation Parts Circuit, we offer an unparalleled selection of parts for the aerospace, civil aviation, defense, electronics, and IT hardware markets. Owned and operated by ASAP Semiconductor, we have access to an inventory of more than two billion new and obsolete parts organized into an efficient, streamlined, and easy-to-navigate purchasing platform. Part numbers such as 3946A, which is a Ring Piston from manufacturer Hercules Engine Co Inc, are in stock and ready to ship with short lead times and competitive prices. We specialize in leveraging our purchasing power with major suppliers, allowing us to offer lower costs and faster shipping on all orders, even in AOG situations. Our team at Aviation Parts Circuit is available 24/7x365 to provide you with a quick quotation on part 3946A and any other NSN part listed on our website.
To help users quickly locate the parts they need, our website offers a broad scope of parametric search measures, allowing customers to filter parts by their Federal Supply Group or Class, part type, part family, CAGE Code, NSN, and more. For example, if you are in need of Hercules Engine Co Inc parts from NSN 2805003913040, our website can provide you with a selection of parts exclusively from that manufacturer and NSN. At Aviation Parts Circuit, our goal is not only to improve the parts procurement process, but to revolutionize it entirely. To begin the NSN part 3946A purchasing process instantly, submit an RFQ today.
NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
---|---|---|---|---|---|---|
2805-00-391-3040 Item Description: Ring Piston | 2805 | 003913040 | 0 | N | ||
CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
U | U | |||||
Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
3946a | 6 | 2 | 3 |
MRC | Criteria | Characteristic |
---|---|---|
AAGR | CROSS-SECTIONAL SHAPE STYLE | STRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL |
ACXD | RING STYLE | CONCENTRIC |
ACXF | RADIAL WALL THICKNESS | 0.1760 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM |
ACXJ | OVERALL WIDTH | 0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM |
ACXZ | STANDARD BORE DIAMETER | 4.625 INCHES |
ADTE | JOINT STYLE | VERTICAL JOINT |
CQKZ | OIL PASSAGE TYPE AND QUANTITY | 1 GROOVE OUTSIDE PERIPHERY |
CQKZ | OIL PASSAGE TYPE AND QUANTITY | 10 SLOT HORIZONTALLY THROUGH RING |
MATT | MATERIAL | IRON OVERALL |
SFTT | SURFACE TREATMENT | CHROMIUM OVERALL |
![]() |
“We Proudly Support Intrepid Fallen Heroes Fund that serves United States Military Personal experiencing the Invisible Wounds of War : Traumatic Brain Injury (TBI) and Post Traumatic Stress (PTS). Please visit website (www.fallenheroesfund.org) and help in their valiant effort”. |
We Hope that You Will Visit Us Again the Next Time You Need NSN Parts and Make Us Your Strategic Purchasing Partner.
Request for Quote