| Item Name | Valve Relief Pressure And Temper |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-442-3829 (004423829) |
| NCB Code | USA (00) |
| Manufacturer | Williams International Co Llc, Nupro Co, Swagelok Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAFZ | BODY MATERIAL | ALUMINUM ALLOY |
| ACKL | MEDIA FOR WHICH DESIGNED | ANY ACCEPTABLE |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL TUBE |
| ACKN | FIRST END STYLE DESIGNATOR | PLAIN |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVU | BULB LENGTH | 3.280 INCHES NOMINAL |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| Relevant Components for NSN - 4820-00-442-3829, 4820004423829 | ||||
| 4820-01-560-5759 (4820015605759) | 4820-01-298-9351 (4820012989351) | 4820-01-545-4087 (4820015454087) | 4810-01-325-4666 (4810013254666) | |
| 4820-01-374-3466 (4820013743466) | 4810-01-453-8173 (4810014538173) | 4810-01-547-8647 (4810015478647) | 4820-01-453-6024 (4820014536024) | |
| 4820-01-510-0543 (4820015100543) | 4810-01-606-7570 (4810016067570) | 4820-01-071-1428 (4820010711428) | 4820-01-232-8464 (4820012328464) | |
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