| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-526-6703 (015266703) |
| NCB Code | USA (01) |
| Manufacturer | Griswold Industries Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS |
| ADSU | DISK LOADING METHOD | SPRING |
| AGAV | END ITEM IDENTIFICATION | NUCLEAR REACTOR BOUNDRY AREA |
| AHNC | CONNECTION STYLE | SOCKET ERR-100 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| MATT | MATERIAL | RUBBER FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL BODY |
| MATT | MATERIAL | STEEL SEAT |
| MATT | MATERIAL | STEEL STEM |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS |
| ADSU | DISK LOADING METHOD | SPRING |
| AGAV | END ITEM IDENTIFICATION | NUCLEAR REACTOR BOUNDRY AREA |
| AHNC | CONNECTION STYLE | SOCKET ERR-100 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| MATT | MATERIAL | RUBBER FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL BODY |
| MATT | MATERIAL | STEEL SEAT |
| MATT | MATERIAL | STEEL STEM |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| Relevant Components for NSN - 4820-01-526-6703, 4820015266703 | ||||
| 4820-00-405-2314 (4820004052314) | 4820-01-644-7717 (4820016447717) | 4820-00-138-5801 (4820001385801) | 4820-01-478-3615 (4820014783615) | |
| 4810-01-231-9665 (4810012319665) | 4810-01-463-1795 (4810014631795) | 4820-01-270-4213 (4820012704213) | 4820-01-482-5390 (4820014825390) | |
| 4810-01-574-6488 (4810015746488) | 4820-01-375-3688 (4820013753688) | 4810-01-486-6370 (4810014866370) | 4820-01-562-8058 (4820015628058) | |
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