National Item Identification Number
01-038-7940
010387940
4820-01-038-7940
4820-01-038-7940
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)
339R
Required Categories
MATERIAL
STYLE DESIGNATOR
MEDIA FOR WHICH DESIGNED
MAXIMUM OPERATING PRESSURE
Required Description
IRON CAST OVERALL
A2 STRAIGHT THRU
STEAM 1ST RESPONSE
WATER-OIL-GAS 2ND RESPO