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| Item Name | Retainer Disk Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-551-2857 (015512857) |
| NCB Code | USA (01) |
| Manufacturer | Dresser Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| CYDX | Valve Design Control Activity | 16497 |
| MRC | Decoded Requirement | Clear Text Reply |
| CYDY | Valve Model Number For Which Designed | 1912-00H |
| FEAT | Special Features | USED ON 4820-01-551-2812 SAFETY RELIEF VALVE |
| CXBX | Valve Size For Which Designed | 2.000 INCHES |
| AGAV | End Item Identification | OVERHAUL/AVAILABILITY LPD 13/ WK IT 255-21-002 |
| Relevant Components for NSN - 4820-01-551-2857, 4820015512857 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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