National Item Identification Number

00-781-7459
007817459
4820-00-781-7459
4820-00-781-7459

National Stock Number

Item Name

VALVE,CHECK

Federal Supply Class

4820

Referenced on: http://www.tpub.com/content/misc_manuals_2/TM-9-1450-500-24P/TM-9-1450-500-24P0442.htm
Referenced on: http://www.tpub.com/content/misc_manuals_2/TM-9-1450-500-24P/TM-9-1450-500-24P0560.htm
Referenced on: http://www.tpub.com/content/misc_manuals_2/TM-9-1450-500-24P/TM-9-1450-500-24P0568.htm
Referenced on: http://www.tpub.com/content/misc_manuals_2/TM-9-1450-500-24P/TM-9-1450-500-24P0569.htm
Referenced on: http://www.tpub.com/content/misc_manuals_3/TM-9-2350-311-24P-2/TM-9-2350-311-24P-20390.htm
Referenced on: http://www.tpub.com/content/misc_manuals_3/TM-9-2350-311-24P-2/TM-9-2350-311-24P-20414.htm

Description

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Commercial and Government Entity Code (Supplier Data)

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06887

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LOCKHEED MARTIN CORPORATION
DBA LOCKHEED MARTIN SPACE SYSTEMS
1111 LOCKHEED MARTIN WAY
SUNNYVALE
CA
94089
303-971-7384

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98897

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NSN (National Stock Number) 4820-00-781-7459, 4820007817459 NIIN (National Identification Number) 00-781-7459, 007817459

Part Numbers (Reference Numbers)

MS24423-4
PS2-4821-2
PS2-4821-2
417-4SS5
418-4

Required Categories

MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNED
MAXIM

Required Description

STEEL CORROSION RESISTING OVERALL
A3 STRAIGHT THRU
POPPET
WATER-OIL-GAS SINGL