NSN
NSNPARTNUMBER.COM
NSN

4820-00-173-1834

Valve,Safety Relief

FSC 4820 — VALVES, NONPOWEREDFSG 48 — VALVES

Unit Price

$27.97

per EA

5 parts / 4 mfrs

Part Numbers for NSN 4820-00-173-18345 records
Part NumberCAGEManufacturerRNCCRNVC
V06-221-NNEA43990Norgren C a Co32
V06-221NNEAU43990Norgren C a Co59
3551051805Rosco Mfg Co39
V06-221-NNEA57824John Henry Foster Company of St. Louis, Inc.52
142C687H0197942Northrop Grumman Systems Corporation Dba Northrop Grumman Systems CorpC1
Manufacturers (4)

Norgren C a Co

CAGE 43990
View NSNs

Rosco Mfg Co

CAGE 51805
View NSNs

John Henry Foster Company of St. Louis, Inc.

CAGE 57824
View NSNs

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp

CAGE 97942
View NSNs
Price History
Effective DateUnit PriceUISLC
01-OCT-2025$27.97EA0
01-OCT-2025$27.97EA0
01-OCT-2025$27.97EA0
Identification Data

DEMIL

A

HMIC

N

PMIC

U

ESD/EMI

Item Characteristics
MRCRequirementReply
AAJFTHREAD DIRECTIONRIGHT-HAND ALL ENDS
ADQUFLOW CONTROL DEVICEDIAPHRAGM
ADSRBONNET TYPEINSIDE SPRING
ADSTBONNET ATTACHMENT METHODTHREADED
ADSUDISK LOADING METHODSPRING
ADZHRENEWABLE SEAT RING TYPETHREADED
AEHZMAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
AHNCCONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
AZGMMOUNTING FACILITYBULKHEAD
AZGMMOUNTING FACILITYBULKHEAD
CBBLFEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
CBBLFEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
CQCYADJUSTABLE PRESSURE RANGE+1.0 TO 50.0 POUNDS PER SQUARE INCH
CQCYADJUSTABLE PRESSURE RANGE+1.0 TO 50.0 POUNDS PER SQUARE INCH
CQJXNOMINAL THREAD SIZE0.250 INCHES ALL ENDS
CQJXNOMINAL THREAD SIZE0.250 INCHES ALL ENDS
CQQFOPERATING PRESSURE50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
CQQFOPERATING PRESSURE50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATTMATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATTMATERIALCOPPER ALLOY BODY
MATTMATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATTMATERIALCOPPER ALLOY SEAT
MEDAMEDIA FOR WHICH DESIGNEDWATER, FRESH SECOND RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDWATER, FRESH SECOND RESPONSE
STYLSTYLE DESIGNATORANGLE
STYLSTYLE DESIGNATORANGLE
THSDTHREAD SERIES DESIGNATORNPT ALL ENDS
THSDTHREAD SERIES DESIGNATORNPT ALL ENDS
Related NSNs in FSC 4820
4820-01-446-3752— Seat,Valve4820-01-178-3042— Housing,Adjuster4820-01-172-90664820-00-736-12394820-00-288-93564820-01-344-5604— Valve,Check4820-01-593-5594— Valve,Globe4820-01-360-4153— Valve,Angle4820-01-275-0554— Valve,Gate4820-00-585-9985— Valve,Globe

Need full procurement data, packaging, and standardization info?

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Quick Reference

NSN4820-00-173-1834
NIIN001731834
FSC4820
PRICE$27.97
DEMILA
PARTS5
MFRS4
Manufacturers

Norgren C a Co

CAGE 43990

Rosco Mfg Co

CAGE 51805

John Henry Foster Company of St. Louis, Inc.

CAGE 57824

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp

CAGE 97942

About NSN 4820-00-173-1834

NSN 4820-00-173-1834 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 5 part numbers associated with this NSN from 4 manufacturers.

The current government unit price for NSN 4820-00-173-1834 is $27.97. Price history shows 3 recorded price changes.

To find the part number for NSN 4820-00-173-1834, 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.