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Quality guaranteed We sell only warrantied and traceable partsAt 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 P491, which is a Valve Safety Relief from manufacturer Circor Aerospace 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 P491 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 Circor Aerospace Inc parts from NSN 4820000156231, 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 P491 purchasing process instantly, submit an RFQ today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-015-6231 Item Description: Valve Safety Relief | 4820 | 000156231 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| P491 | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| SAFETY RELIEF | AAJD | THREAD CLASS3A 1ST END |
| SAFETY RELIEF | AAJF | THREAD DIRECTIONRIGHT-HAND 1ST END |
| SAFETY RELIEF | ADQU | FLOW CONTROL DEVICEPOPPET |
| SAFETY RELIEF | ADSR | BONNET TYPEINSIDE SPRING |
| SAFETY RELIEF | ADST | BONNET ATTACHMENT METHODINTEGRAL |
| SAFETY RELIEF | ADSU | DISK LOADING METHODSPRING |
| SAFETY RELIEF | AEHZ | MAXIMUM OPERATING TEMP-54 0 DEG CELSIUS 1ST RESPONSE |
| SAFETY RELIEF | AHNC | CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL BOSS 1ST END |
| SAFETY RELIEF | AQLR | VALVE OPERATION METHODAUTOMATIC |
| SAFETY RELIEF | AWLS | CONNECTION TYPETHREADED EXTERNAL BOSS 1ST END |
| SAFETY RELIEF | CBBL | FEATURES PROVIDEDVALVE STEM LOCK SHIELD |
| SAFETY RELIEF | CQGM | MAXIMUM OPERATING PRESSURE50 0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| SAFETY RELIEF | CQJX | NOMINAL THREAD SIZE0 562 INCHES 1ST END |
| SAFETY RELIEF | CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0 375 INCHES 1ST END |
| SAFETY RELIEF | MATT | MATERIALALUMINUM ALLOY 2024 OVERALL |
| SAFETY RELIEF | MDCL | MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-2256ALLOY2024T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SAFETY RELIEF | MEDA | MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE |
| SAFETY RELIEF | SFTT | SURFACE TREATMENTANODIZE |
| SAFETY RELIEF | STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625TYPE1CLASS1 MIL SPEC SINGLE TREATMENT RESPONSE |
| SAFETY RELIEF | STYL | STYLE DESIGNATORSTRAIGHT THRU |
| SAFETY RELIEF | TEST | TEST DATA DOCUMENT18876-10177850 DRAWING THIS IS THE BASIC GOVERNING DRAWING SUCH AS A CONTRACTOR DRAWING ORIGINAL EQUIPMENT MANUFACTURER DRAWING ETC EXCLUDES ANY SPECIFICATION STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRA |
| SAFETY RELIEF | THSD | THREAD SERIES DESIGNATORUNF 1ST END |
 |
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