National Item Identification Number
01-443-4540
014434540
4820-01-443-4540
4820-01-443-4540
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)
Reference Numbers (Part Numbers)
4411 1-1/2IN
Required Categories
MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
END ITEM IDENTIFICATION
Required Description
STEEL BODY
A1 ANGLE
DISK
NAVY WEAPONS SYSTEM CODE,TH,STRATEGIC SEALIFT CONVER