NSN

4820-01-420-5231

Valve,Safety Relief

FSC 4820VALVES, NONPOWEREDFSG 48VALVES

Unit Price

$511.49

per EA

4 parts / 3 mfrs

Part Numbers for NSN 4820-01-420-52314 records
Part NumberCAGEManufacturerRNCCRNVC
ES998320418Drs Sustainment Systems, Inc.59
ES9983-01T2520418Drs Sustainment Systems, Inc.59
5120TP-4TJ-2591816Circor Aerospace, Inc. Dba Circor Aerospace Inc32
ES9983-01T2598255Drs Sustainment Systems Inc52
Manufacturers (3)

Drs Sustainment Systems, Inc.

CAGE 20418
View NSNs

Circor Aerospace, Inc. Dba Circor Aerospace Inc

CAGE 91816
View NSNs

Drs Sustainment Systems Inc

CAGE 98255
View NSNs
Price History
Effective DateUnit PriceUISLC
01-OCT-2025$511.49EA0
Identification Data

DEMIL

A

HMIC

N

PMIC

A

ESD/EMI

Item Characteristics
MRCRequirementReply
AAJFTHREAD DIRECTIONRIGHT-HAND ALL ENDS
ADSUDISK LOADING METHODSPRING
AEHZMAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE
AEQJMINIMUM OPERATING TEMP-100.0 FAHRENHEIT
AGAVEND ITEM IDENTIFICATIONAIRCRAFT, HERCULES C
AHNCCONNECTION STYLEGASKET SEAL(BOSS) SECOND END
AHNCCONNECTION STYLEFLARED (TUBE) FIRST END
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
AWLSCONNECTION TYPETHREADED INTERNAL TUBE SECOND END
CQJXNOMINAL THREAD SIZE0.250 INCHES ALL ENDS
CQQFOPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
CQRBSEAT ANGLE37.0 DEGREES FIRST END
CSDCOPENING PRESSURE SETTING25.0 POUNDS PER SQUARE INCH
CWFDNOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END
FEATSPECIAL FEATURESWITH POLYTETRAFLUOROETHYLENE SEAL
MATTMATERIALSTEEL COMP 303 BODY
MATTMATERIALSTEEL CORROSION RESISTING SEAT
MEDAMEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
STYLSTYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THSDTHREAD SERIES DESIGNATORNPT FIRST END
THSDTHREAD SERIES DESIGNATORNPTF SECOND END

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Quick Reference

NSN4820-01-420-5231
NIIN014205231
FSC4820
PRICE$511.49
DEMILA
PARTS4
MFRS3

About NSN 4820-01-420-5231

NSN 4820-01-420-5231 is a National Stock Number assigned to Valve,Safety Relief. This NSN part number belongs to Federal Supply Class 4820 (VALVES, NONPOWERED) under Federal Supply Group 48 (VALVES). There are 4 part numbers associated with this NSN from 3 manufacturers.

The current government unit price for NSN 4820-01-420-5231 is $511.49.

To find the part number for NSN 4820-01-420-5231, refer to the part number cross-reference table above. Each part number is linked to its manufacturer through a CAGE (Commercial and Government Entity) code.