NSN

4820-01-439-3523

Valve,Safety Relief

FSC 4820VALVES, NONPOWEREDFSG 48VALVES

Unit Price

$2,734.20

per EA

4 parts / 3 mfrs

Part Numbers for NSN 4820-01-439-35234 records
Part NumberCAGEManufacturerRNCCRNVC
6880-1-0001DRT7Circor Aerospace Inc32
M9107DCD0016L817National Machine Company Dba Nmg Aerospace52
586R69697942Northrop Grumman Systems Corporation Dba Northrop Grumman Systems CorpD9
586R696H0197942Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp59
Manufacturers (3)

Circor Aerospace Inc

CAGE 1DRT7
View NSNs

National Machine Company Dba Nmg Aerospace

CAGE 6L817
View NSNs

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp

CAGE 97942
View NSNs
Price History
Effective DateUnit PriceUISLC
01-OCT-2025$2,734.20EA0
01-OCT-2025$2,734.20EA0
Identification Data

DEMIL

Q

HMIC

N

PMIC

A

ESD/EMI

Item Characteristics
MRCRequirementReply
AAJDTHREAD CLASS3A ALL ENDS
AAJFTHREAD DIRECTIONRIGHT-HAND ALL ENDS
ADQUFLOW CONTROL DEVICEPOPPET
AGAVEND ITEM IDENTIFICATIONFIGHTER AIRCRAFT;MCDONNELL DOUGLAS,F-16
AHNCCONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CMLPTHREAD QUANTITY PER INCH20 ALL ENDS
CQJXNOMINAL THREAD SIZE0.438 INCHES ALL ENDS
CQRBSEAT ANGLE37.0 DEGREES ALL ENDS
CSDCOPENING PRESSURE SETTING50.0 POUNDS PER SQUARE INCH
MATTMATERIALSTEEL COMP 303 FLOW CONTROL DEVICE
MEDAMEDIA FOR WHICH DESIGNEDHELIUM SINGLE RESPONSE
SFTTSURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
STYLSTYLE DESIGNATORSTRAIGHT THRU
THSDTHREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) ALL ENDS

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About NSN 4820-01-439-3523

NSN 4820-01-439-3523 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 4820-01-439-3523 is $2,734.20. Price history shows 2 recorded price changes.

To find the part number for NSN 4820-01-439-3523, 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.