Product Details | CHECK VALVE

4820-01-256-4768 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.

Part Alternates: C7553F1A8, 4820-01-256-4768, 01-256-4768, 4820012564768, 012564768

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05 JUN 1987 01-256-4768

Cross Reference | NSN 4820-01-256-4768

Part Number Cage Code Manufacturer
C7553F1A8 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Restrictions/Controls & Freight Information | NSN 4820-01-256-4768

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Category Code Description
No Freight Information