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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) | 01-121-8057 (011218057) |
NCB Code | USA (01) |
Manufacturer | Dresser Industries Inc |
MRC | Criteria | Characteristic |
---|---|---|
AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
ADSR | BONNET TYPE | INSIDE SPRING |
ADSU | DISK LOADING METHOD | SPRING |
AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT SINGLE RESPONSE |
AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |
ARKN | FLANGE SHAPE | ROUND WITH HOLES 2ND END |
AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
CQGM | MAXIMUM OPERATING PRESSURE | 30.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
CWCD | NOMINAL OUTSIDE DIAMETER | 6.125 INCHES 2ND END |
CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.000 INCHES |
CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.250 INCHES |
CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT 2ND END |
CWDL | RAISED FACE NOMINAL DIAMETER | 3.562 INCHES 2ND END |
MATT | MATERIAL | COPPER ALLOY SEAT |
MATT | MATERIAL | IRON CAST BODY |
THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
ADQU | FLOW CONTROL DEVICE | DISK |
ADST | BONNET ATTACHMENT METHOD | BOLTED |
AECS | BOLT HOLE QUANTITY | 4 2ND END |
AGAV | END ITEM IDENTIFICATION | HEATING SYSTEM ONBOARD 270 FT WMEC CG VESSELS |
AQLR | VALVE OPERATION METHOD | AUTOMATIC |
AWLS | CONNECTION TYPE | FLANGE 2ND END |
CCFG | VALVE SIZE | 2.500 INCHES |
CQJX | NOMINAL THREAD SIZE | 2.500 INCHES 1ST END |
CWCK | NOMINAL THICKNESS | 0.812 INCHES 2ND END |
CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES 2ND END |
CWCT | BOLT CIRCLE NOMINAL DIAMETER | 4.500 INCHES 2ND END |
CWDH | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 2ND END |
MATT | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE |
MATT | MATERIAL | COPPER ALLOY STEM |
STYL | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
Relevant Components for NSN - 4820-01-121-8057, 4820011218057 | ||||
4820-00-878-0523 (4820008780523) | 4820-01-398-5701 (4820013985701) | 4820-01-180-9246 (4820011809246) | 4820-01-707-4812 (4820017074812) | |
4820-01-473-8158 (4820014738158) | 4820-01-227-1005 (4820012271005) | 4820-21-913-2532 (4820219132532) | 4820-01-083-4729 (4820010834729) | |
4810-00-458-1905 (4810004581905) | 4810-01-154-5514 (4810011545514) | 4810-00-941-1138 (4810009411138) | 4820-00-463-7531 (4820004637531) | |
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