Thank you for your interest in 254-00. Civil Aviation 360 offers an unmatched amount of premium NSN parts to various industries. Seat Valve is an item listed with the NSN 4820-00-074-7991 and is manufactured by Trac Regulators Inc. If you are interested in beginning the purchasing process for this particular item 254-00, please finish filling out the provided Instant RFQ form with details like quantity and contact information. After submission, a staff member will contact you in 15 minutes or less with a personalized quote.
Civil Aviation 360 provides customers with a large inventory of NSN part such as 254-00 that are available for immediate purchase. A National Stock Number (NSN) is a number used to help classify items as they make their way through the federal supply system. Each NSN is unique, and the several digits describe different qualities like name, manufacturer, part number, and more. This classification system was created to eliminate confusion and duplication of orders, particularly in the United States Military Services. Since its first use after World War II, it has been officially recognized by the U.S. DOD and other NATO countries. For your convenience, 4820-00-074-7991 is also listed with its CAGE Code: 55378 and manufacturer: Trac Regulators Inc. All items that Civil Aviation 360 provides come with expedited shipping and manufacturer trace documentation, as applicable.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-074-7991 Item Description: Seat Valve | 4820 | 000747991 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 254-00 | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.250 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 1.750 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 1.313 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION |
| CQJX | NOMINAL THREAD SIZE | 0.625 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| THSD | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
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