| Item Name | Valve Relief |
| INC Code | 77777 |
| Federal Supply Group (FSG) | Maintenance and Repair Shop Equipment |
| Federal Supply Class (FSC) | 4921 Torpedo Maintenance Repair And Checkout Specialized Equipment |
| National Item Identification Number (NIIN) | 01-221-4003 (012214003) |
| NCB Code | USA (01) |
| Manufacturer | Parker Hannifin Corporation, Teledyne Industries Inc |
| Associated Parts Numbers of NSN 4921-01-221-4003 | ||||||
|---|---|---|---|---|---|---|
| Part Number | Manufacturer | Item Name | Cage Code | Type | Status | RFQ |
| S665-7-1-4SST | parker hannifin corporation | valve relief | 09990 | A | A | RFQ |
| S665-7-1-4SST | teledyne industries inc | valve relief | 86768 | A | H | RFQ |
| Relevant Components for NSN - 4921-01-221-4003, 4921012214003 | ||||
| 4921-01-342-1876 (4921013421876) | 4921-01-075-5211 (4921010755211) | 4921-00-010-1111 (4921000101111) | 4921-00-847-8008 (4921008478008) | |
| 4921-00-795-5819 (4921007955819) | 4921-00-168-4969 (4921001684969) | 4921-01-163-8711 (4921011638711) | 4921-00-010-1001 (4921000101001) | |
| 4921-00-795-5561 (4921007955561) | 4921-01-314-9873 (4921013149873) | 4921-01-062-8349 (4921010628349) | 4921-01-029-3005 (4921010293005) | |
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