NSN

4820-01-420-8501

Valve,Safety Relief

FSC 4820VALVES, NONPOWEREDFSG 48VALVES

Unit Price

$254.10

per EA

4 parts / 2 mfrs

Part Numbers for NSN 4820-01-420-85014 records
Part NumberCAGEManufacturerRNCCRNVC
7M666D2-3076301The Boeing Company Div Defense52
559A-2MP-3091816Circor Aerospace, Inc. Dba Circor Aerospace Inc59
559A-4DB-3091816Circor Aerospace, Inc. Dba Circor Aerospace Inc32
559A-4MP-3091816Circor Aerospace, Inc. Dba Circor Aerospace Inc59
Manufacturers (2)

The Boeing Company Div Defense

CAGE 76301
View NSNs

Circor Aerospace, Inc. Dba Circor Aerospace Inc

CAGE 91816
View NSNs
Price History
Effective DateUnit PriceUISLC
01-OCT-2025$254.10EA0
01-OCT-2025$254.10EA0
Identification Data

DEMIL

A

HMIC

N

PMIC

A

ESD/EMI

A

Item Characteristics
MRCRequirementReply
AAJFTHREAD DIRECTIONRIGHT-HAND ALL ENDS
ADQUFLOW CONTROL DEVICEPOPPET
ADSUDISK LOADING METHODSPRING
AEHZMAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
AEQJMINIMUM OPERATING TEMP-40.0 FAHRENHEIT
AHNCCONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
AHNCCONNECTION STYLEPLAIN (PIPE) FIRST END
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
AWLSCONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CQJXNOMINAL THREAD SIZE0.250 INCHES ALL ENDS
CQQFOPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
CSDCOPENING PRESSURE SETTING30.0 POUNDS PER SQUARE INCH
MATTMATERIALALUMINUM BODY
MEDAMEDIA FOR WHICH DESIGNEDACETYLENE FIRST RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDHYDROGEN FOURTH RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS THIRD RESPONSE
STYLSTYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THSDTHREAD SERIES DESIGNATORNPT ALL ENDS

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Quick Reference

NSN4820-01-420-8501
NIIN014208501
FSC4820
PRICE$254.10
DEMILA
PARTS4
MFRS2

About NSN 4820-01-420-8501

NSN 4820-01-420-8501 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 2 manufacturers.

The current government unit price for NSN 4820-01-420-8501 is $254.10. Price history shows 2 recorded price changes.

To find the part number for NSN 4820-01-420-8501, 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.