National Item Identification Number
00-257-4689
002574689
4820-00-257-4689
4820-00-257-4689
National Stock Number
Item Name
VALVE,CHECK
Federal Supply Class
4820
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)
77445
Reference Numbers (Part Numbers)
651005
Required Categories
MATERIAL
SURFACE TREATMENT
STYLE DESIGNATOR
FLOW CONTROL DEVICE
VALVE OPERAT
Required Description
ALUMINUM ALLOY BODY
ALUMINUM ALLOY FLOW CONTROL DEVICE
ALUMINUM ALLOY SEAT
AN