AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-259-2210 (012592210) |
| NCB Code | USA (01) |
| Manufacturer | Curtiss Wright Flow Control Service Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 16977-F | curtiss wright flow control service corporation | valve safety relief | RFQ |
| 16977-F 1 1-2 H 3 | curtiss wright flow control service corporation | valve safety relief | RFQ |
| 26HB10L-120 | curtiss wright flow control service corporation | valve safety relief | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| ADSU | DISK LOADING METHOD | SPRING |
| AECS | BOLT HOLE QUANTITY | 4 ALL ENDS |
| AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT 2ND RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 75.0 DEG FAHRENHEIT 1ST RESPONSE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| CCFG | VALVE SIZE | 1.500 INCHES |
| CQCY | ADJUSTABLE PRESSURE RANGE | 46.0 TO 50.0 POUNDS PER SQUARE INCH |
| CSDC | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |
| CWCD | NOMINAL OUTSIDE DIAMETER | 5.000 INCHES ALL ENDS |
| CWCK | NOMINAL THICKNESS | 0.562 INCHES ALL ENDS |
| CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.875 INCHES |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES ALL ENDS |
| CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 5.125 INCHES |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 3.875 INCHES ALL ENDS |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.688 INCHES ALL ENDS |
| CWDL | RAISED FACE NOMINAL DIAMETER | 2.875 INCHES ALL ENDS |
| FEAT | SPECIAL FEATURES | 1 PIPE PLUG (BODY) 1/2INCH NPT VENT |
| MATT | MATERIAL | STEEL BODY |
| MATT | MATERIAL | STEEL COMP 316 PACKING |
| MATT | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL CORROSION RESISTING SEAT |
| MATT | MATERIAL | STEEL CORROSION RESISTING STEM |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
| Relevant Components for NSN - 4820-01-259-2210, 4820012592210 | ||||
| 4820-01-248-5022 (4820012485022) | 4820-01-511-3905 (4820015113905) | 4820-00-108-8528 (4820001088528) | 4820-01-613-0942 (4820016130942) | |
| 4820-00-319-7643 (4820003197643) | 4820-01-577-0941 (4820015770941) | 4820-01-262-2542 (4820012622542) | 4820-01-607-4294 (4820016074294) | |
| 4820-01-148-9327 (4820011489327) | 4820-01-292-9537 (4820012929537) | 4820-01-230-6363 (4820012306363) | 4820-01-151-4016 (4820011514016) | |
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