| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-202-5538 (002025538) |
| NCB Code | USA (00) |
| Manufacturer | Tavco Inc, Boeing Company The, Northrop Grumman Systems Corporation, Teledyne Hydra Power, Tactair Fluid Controls Inc, Eaton Aerospace Ltd |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 2394210 | tavco inc | valve safety relief | 99221 | RFQ |
| 25-72002-1 | boeing company the | valve safety relief | 76301 | RFQ |
| 30F73935 | northrop grumman systems corporation | valve safety relief | 26512 | RFQ |
| HPC156100 | teledyne hydra power | valve safety relief | 84685 | RFQ |
| HPC156100 | tactair fluid controls inc | valve safety relief | 70236 | RFQ |
| MC1603-3450 | eaton aerospace ltd | valve safety relief | 76050 | RFQ |
| MC1613-3450 | eaton aerospace ltd | valve safety relief | 76050 | RFQ |
| MC1613-3500 | eaton aerospace ltd | valve safety relief | 76050 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 3000.0 POUNDS PER HOUR |
| AHNC | CONNECTION STYLE | FLARED (TUBE) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| AZGM | MOUNTING FACILITY | THREADED FASTENER |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CMLP | THREAD QUANTITY PER INCH | 20 1ST END |
| CQGM | MAXIMUM OPERATING PRESSURE | 3800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |
| CQRB | SEAT ANGLE | 37.0 DEGREES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 3450.0 POUNDS PER SQUARE INCH |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| MATT | MATERIAL | ALUMINUM ALLOY SEAT |
| MATT | MATERIAL | STEEL CORROSION RESISTING STEM |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| Components Related to NSN - 4820-00-202-5538, 4820002025538 | ||||
| 4820-01-168-7617 (4820011687617) | 4820-00-036-1739 (4820000361739) | 4820-01-148-9383 (4820011489383) | 4820-01-416-7529 (4820014167529) | |
| 4810-01-036-3133 (4810010363133) | 4820-01-365-7068 (4820013657068) | 4820-00-475-4247 (4820004754247) | 4820-01-192-5887 (4820011925887) | |
| 4820-01-546-7933 (4820015467933) | 4820-00-366-2438 (4820003662438) | 4820-01-066-6185 (4820010666185) | 4810-00-670-3476 (4810006703476) | |
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