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| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-875-1574 (008751574) |
| NCB Code | USA (00) |
| Manufacturer | Curtiss Wright Flow Control Service Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADSR | BONNET TYPE | INSIDE SPRING |
| AECS | BOLT HOLE QUANTITY | 14 1ST END |
| AEHZ | MAXIMUM OPERATING TEMP | 650.0 DEG FAHRENHEIT SINGLE RESPONSE |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 1ST END |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 2ND END |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| AWLS | CONNECTION TYPE | FLANGE 2ND END |
| CCFG | VALVE SIZE | 8.000 INCHES |
| CQGM | MAXIMUM OPERATING PRESSURE | 50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCD | NOMINAL OUTSIDE DIAMETER | 12.750 INCHES 1ST END |
| CWCK | NOMINAL THICKNESS | 0.812 INCHES 1ST END |
| CWCK | NOMINAL THICKNESS | 1.437 INCHES 2ND END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.687 INCHES 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 2ND END |
| CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 10.000 INCHES |
| CWDF | FLANGE FACE DESIGN | PLAIN 1ST END |
| MATT | MATERIAL | STEEL BODY |
| MATT | MATERIAL | STEEL COMP 303 FLOW CONTROL DEVICE |
| STYL | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| ADSU | DISK LOADING METHOD | SPRING |
| AECS | BOLT HOLE QUANTITY | 12 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AZGM | MOUNTING FACILITY | BRACKET |
| CWCD | NOMINAL OUTSIDE DIAMETER | 12.500 INCHES 2ND END |
| CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 9.187 INCHES |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 10.625 INCHES 2ND END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 11.062 INCHES 1ST END |
| MATT | MATERIAL | STEEL COMP 416 PACKING |
| MATT | MATERIAL | STEEL COMP 416 STEM |
| Relevant Components for NSN - 4820-00-875-1574, 4820008751574 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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