NSN

4820-00-421-5869

Valve,Safety Relief

FSC 4820VALVES, NONPOWEREDFSG 48VALVES

Unit Price

$583.42

per EA

4 parts / 4 mfrs

Part Numbers for NSN 4820-00-421-58694 records
Part NumberCAGEManufacturerRNCCRNVC
A51H9032-126512Northrop Grumman Systems Corporation59
A51H9032-161174Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems59
A51H9032-179RG9Northrop Grumman Systems Corporation12
34670-399643Eaton Aerospace Llc Dba Eaton Aerospace Jackson32
Manufacturers (4)

Northrop Grumman Systems Corporation

CAGE 26512
View NSNs

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems

CAGE 61174
View NSNs

Northrop Grumman Systems Corporation

CAGE 79RG9
View NSNs

Eaton Aerospace Llc Dba Eaton Aerospace Jackson

CAGE 99643
View NSNs
Price History
Effective DateUnit PriceUISLC
01-OCT-2025$583.42EA0
01-OCT-2025$583.42EA0
Identification Data

DEMIL

A

HMIC

N

PMIC

A

ESD/EMI

Item Characteristics
MRCRequirementReply
AAJDTHREAD CLASS3A FIRST END
AAJFTHREAD DIRECTIONRIGHT-HAND FIRST END
ADQUFLOW CONTROL DEVICEDIAPHRAGM
ADSRBONNET TYPEPACKING RETAINING
ADSUDISK LOADING METHODSPRING
ADSYVALVE DISCHARGE FLOW RATE15.0 CUBIC FEET PER MINUTE
AEHZMAXIMUM OPERATING TEMP330.0 FAHRENHEIT SINGLE RESPONSE
AHNCCONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED EXTERNAL BOSS FIRST END
CMLPTHREAD QUANTITY PER INCH20 FIRST END
CQJXNOMINAL THREAD SIZE0.437 INCHES FIRST END
CSDCOPENING PRESSURE SETTING4500.0 POUNDS PER SQUARE INCH
CWFDNOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END
MATTMATERIALSTEEL COMP 630 BODY
MATTMATERIALCOPPER ALLOY 170 FLOW CONTROL DEVICE
MATTMATERIALSTEEL COMP 630 SEAT
MEDAMEDIA FOR WHICH DESIGNEDNITROGEN, GASEOUS SECOND RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
SFTTSURFACE TREATMENTPAINT AND PRIMER LOCATION NOT OTHERWISE SPECIFIED
STYLSTYLE DESIGNATORANGLE
THSDTHREAD SERIES DESIGNATORUNF FIRST END

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About NSN 4820-00-421-5869

NSN 4820-00-421-5869 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 4 manufacturers.

The current government unit price for NSN 4820-00-421-5869 is $583.42. Price history shows 2 recorded price changes.

To find the part number for NSN 4820-00-421-5869, 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.