Recently Updated NSN 4820-01-312-9421 Or (4820013129421) Part List

Item Name Valve Safety Relief Oxygen Syste
Federal Supply Group (FSG) Valves
Federal Supply Class (FSC) 4820 Valves Nonpowered
National Item Identification Number (NIIN) 01-312-9421 (013129421)
NCB Code USA (01)
Manufacturer Rockwood Swendeman, Hydra Rig Cryogenics Inc
Part Number Manufacturer Item Name RFQ
710EACD-A059 rockwood swendeman valve safety relief oxygen syste RFQ
508-0049-3-59 rockwood swendeman valve safety relief oxygen syste RFQ
C30180 hydra rig cryogenics inc valve safety relief oxygen syste RFQ

Technical Characteristics of NSN 4820013129421

MRCCriteriaCharacteristic
AAJFTHREAD DIRECTIONRIGHT-HAND 1ST END
AAJFTHREAD DIRECTIONRIGHT-HAND 2ND END
AEQJMINIMUM OPERATING TEMP-320.0 DEG FAHRENHEIT
AGAVEND ITEM IDENTIFICATIONTMU-27/M
AHNCCONNECTION STYLEPLAIN (PIPE) 1ST END
AHNCCONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 2ND END
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
AWLSCONNECTION TYPETHREADED INTERNAL PIPE 2ND END
CQJXNOMINAL THREAD SIZE0.500 INCHES 1ST END
CQJXNOMINAL THREAD SIZE0.750 INCHES 2ND END
CRTLCRITICALITY CODE JUSTIFICATIONFEAT
CSDCOPENING PRESSURE SETTING59.0 POUNDS PER SQUARE INCH
FEATSPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
MATTMATERIALCOPPER ALLOY BODY
MEDAMEDIA FOR WHICH DESIGNEDNITROGEN,LIQUID 1ST RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDOXYGEN,LIQUID 2ND RESPONSE
STYLSTYLE DESIGNATORANGLE
THSDTHREAD SERIES DESIGNATORNPT 1ST END
THSDTHREAD SERIES DESIGNATORNPT 2ND END

Relevant Components for NSN - 4820-01-312-9421, 4820013129421
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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