NSN

4820-01-453-2594

Valve,Check

FSC 4820VALVES, NONPOWEREDFSG 48VALVES

Unit Price

$167.70

per EA

6 parts / 5 mfrs

Part Numbers for NSN 4820-01-453-25946 records
Part NumberCAGEManufacturerRNCCRNVC
28368404577Mission Systems Orchard Park Inc31
3104AS10030003Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier52
3104AS100-130003Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier32
EW6300330941East/West Industries, Inc.31
28368462323Conax Florida Corporation59
2624A-4TT91816Circor Aerospace, Inc. Dba Circor Aerospace Inc31
Manufacturers (5)

Mission Systems Orchard Park Inc

CAGE 04577
View NSNs

Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier

CAGE 30003
View NSNs

East/West Industries, Inc.

CAGE 30941
View NSNs

Conax Florida Corporation

CAGE 62323
View NSNs

Circor Aerospace, Inc. Dba Circor Aerospace Inc

CAGE 91816
View NSNs
Price History
Effective DateUnit PriceUISLC
01-OCT-2025$167.70EA0
01-OCT-2025$167.70EA0
Identification Data

DEMIL

A

HMIC

N

PMIC

A

ESD/EMI

Item Characteristics
MRCRequirementReply
AAJDTHREAD CLASS3A ALL ENDS
AAJFTHREAD DIRECTIONRIGHT-HAND ALL ENDS
AEHZMAXIMUM OPERATING TEMP165.0 FAHRENHEIT SINGLE RESPONSE
AEQJMINIMUM OPERATING TEMP-65.0 FAHRENHEIT
AHNCCONNECTION STYLEFLARED (TUBE) ALL ENDS
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
BBJXMOUNTING POSITIONHORIZONTAL OR VERTICAL
CQJXNOMINAL THREAD SIZE0.437 INCHES ALL ENDS
CQRBSEAT ANGLE37.0 DEGREES ALL ENDS
CSDCOPENING PRESSURE SETTING2.0 POUNDS PER SQUARE INCH
CXCYPART NAME ASSIGNED BY CONTROLLING AGENCYSAFETY CHECK VALVE
FEATSPECIAL FEATURESCLEANED FOR AVIATORS BREATHING OXYGEN
MATTMATERIALALUMINUM BODY
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MEDAMEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS SINGLE RESPONSE
SFTTSURFACE TREATMENTANODIZE
STYLSTYLE DESIGNATORSTRAIGHT THRU
THSDTHREAD SERIES DESIGNATORUNF ALL ENDS

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About NSN 4820-01-453-2594

NSN 4820-01-453-2594 is a National Stock Number assigned to Valve,Check. This NSN part number belongs to Federal Supply Class 4820 (VALVES, NONPOWERED) under Federal Supply Group 48 (VALVES). There are 6 part numbers associated with this NSN from 5 manufacturers.

The current government unit price for NSN 4820-01-453-2594 is $167.70. Price history shows 2 recorded price changes.

To find the part number for NSN 4820-01-453-2594, 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.