| Item Name | Retainer Quiet Element |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-503-2621 (015032621) |
| NCB Code | USA (01) |
| Manufacturer | Sargent Aerospace |
| MRC | Criteria | Characteristic |
|---|---|---|
| AGAV | END ITEM IDENTIFICATION | NHA 4820-01-503-2497 RESTRICTOR MANIFOLD VALVE ASSY; SEAWOLF CLASS SSN |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | KEEPER |
| FEAT | SPECIAL FEATURES | MATERIAL IAW ASTM B150 C63200 WITH ALTERNATE MATERIAL IAW ASTM B150 C63600 OR C64200 |
| MATT | MATERIAL | COPPER ALLOY |
| AGAV | END ITEM IDENTIFICATION | NHA 4820-01-503-2497 RESTRICTOR MANIFOLD VALVE ASSY; SEAWOLF CLASS SSN |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | KEEPER |
| FEAT | SPECIAL FEATURES | MATERIAL IAW ASTM B150 C63200 WITH ALTERNATE MATERIAL IAW ASTM B150 C63600 OR C64200 |
| MATT | MATERIAL | COPPER ALLOY |
| Relevant Components for NSN - 4820-01-503-2621, 4820015032621 | ||||
| 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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