INSTANT RFQ

Explore Our NSN 4820-00-139-5956 Parts List

Item Name Valve Safety Relief
Federal Supply Group (FSG) Valves
Federal Supply Class (FSC) 4820 Valves Nonpowered
National Item Identification Number (NIIN) 00-139-5956 (001395956)
NCB Code USA (00)
Manufacturer Northrop Grumman Systems Corporation, Circor Aerospace Inc
Part Number Manufacturer Item Name Cage Code RFQ
232-005-0005 northrop grumman systems corporation valve safety relief 95542 RFQ
232-005-0006 northrop grumman systems corporation valve safety relief 95542 RFQ
524A4D31 circor aerospace inc valve safety relief 91816 RFQ

Technical Characteristics of NSN 4820001395956

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A 1ST END
AAJFTHREAD DIRECTIONRIGHT-HAND 1ST END
ADQUFLOW CONTROL DEVICEPOPPET
ADSUDISK LOADING METHODSPRING
AEHZMAXIMUM OPERATING TEMP240.0 DEG FAHRENHEIT SINGLE RESPONSE
AHNCCONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED EXTERNAL BOSS 1ST END
CMLPTHREAD QUANTITY PER INCH20 1ST END
CQCYADJUSTABLE PRESSURE RANGE25.0 TO 75.0 POUNDS PER SQUARE INCH
CQGMMAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQJXNOMINAL THREAD SIZE0.437 INCHES 1ST END
CSDCOPENING PRESSURE SETTING31.0 POUNDS PER SQUARE INCH
CWFDNOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
MATTMATERIALALUMINUM ALLOY 2024 BODY
MATTMATERIALALUMINUM ALLOY 2024 FLOW CONTROL DEVICE
MATTMATERIALALUMINUM ALLOY 2024 SEAT
MEDAMEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
SFTTSURFACE TREATMENTANODIZE
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
STYLSTYLE DESIGNATORSTRAIGHT THRU
THSDTHREAD SERIES DESIGNATORUNF 1ST END

Components Related to NSN - 4820-00-139-5956, 4820001395956
4820-00-287-3034 (4820002873034) 4820-01-271-7886 (4820012717886) 4820-01-714-5468 (4820017145468) 4810-00-936-0709 (4810009360709)
4820-01-190-3734 (4820011903734) 4820-01-482-1507 (4820014821507) 4820-00-145-2608 (4820001452608) 4820-01-438-4316 (4820014384316)
4820-00-035-7597 (4820000357597) 4820-00-417-3438 (4820004173438) 4820-01-027-8834 (4820010278834) 4820-01-301-8497 (4820013018497)

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