| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-187-1258 (011871258) |
| NCB Code | USA (01) |
| Manufacturer | Eaton Corporation, Marine Electronics Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A FIRST THREADED PORTION |
| AAJD | THREAD CLASS | 2A SECOND THREADED PORTION |
| AASA | THREAD LENGTH | 0.594 INCHES NOMINAL SECOND THREADED PORTION |
| AASA | THREAD LENGTH | 0.688 INCHES NOMINAL FIRST THREADED PORTION |
| ABKW | OVERALL HEIGHT | 2.515 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 1.125 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 45.000 NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 12 SECOND THREADED PORTION |
| CMLP | THREAD QUANTITY PER INCH | 16 FIRST THREADED PORTION |
| CQJX | NOMINAL THREAD SIZE | 2.125 INCHES FIRST THREADED PORTION |
| CQJX | NOMINAL THREAD SIZE | 2.500 INCHES SECOND THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| FEAT | SPECIAL FEATURES | HEX WRENCHING FEATURE |
| MATT | MATERIAL | NICKEL ALLOY BODY |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-19468 MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE BODY |
| STYL | STYLE DESIGNATOR | DOUBLE FLANGED |
| THSD | THREAD SERIES DESIGNATOR | UN FIRST THREADED PORTION |
| THSD | THREAD SERIES DESIGNATOR | UN SECOND THREADED PORTION |
| Components Related to NSN - 4820-01-187-1258, 4820011871258 | ||||
| 4810-01-567-7671 (4810015677671) | 4820-00-811-2684 (4820008112684) | 4820-12-350-7803 (4820123507803) | 4810-01-606-1449 (4810016061449) | |
| 4820-01-235-1424 (4820012351424) | 4820-01-282-2547 (4820012822547) | 4820-00-936-3987 (4820009363987) | 4820-99-471-4151 (4820994714151) | |
| 4820-01-189-0797 (4820011890797) | 4820-01-123-0285 (4820011230285) | 4820-01-501-6459 (4820015016459) | 4810-00-719-6365 (4810007196365) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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