| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-271-4797 (012714797) |
| NCB Code | USA (01) |
| Manufacturer | Circor Aerospace Inc, Safran Helicopter Engines |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 559B2M425 | circor aerospace inc | valve safety relief | 91816 | RFQ |
| 8814650407 | safran helicopter engines | valve safety relief | f0228 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | SLIDE |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 425.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| Relevant Components for NSN - 4820-01-271-4797, 4820012714797 | ||||
| 4820-01-680-0758 (4820016800758) | 4820-01-143-5485 (4820011435485) | 4820-00-055-1456 (4820000551456) | 4820-01-064-7247 (4820010647247) | |
| 4820-01-659-8956 (4820016598956) | 4820-00-950-5912 (4820009505912) | 4820-01-070-5428 (4820010705428) | 4820-01-390-2772 (4820013902772) | |
| 4820-01-117-0449 (4820011170449) | 4820-01-013-4639 (4820010134639) | 4820-01-360-4401 (4820013604401) | 4810-01-666-7132 (4810016667132) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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