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.
NSN 5925-00-107-4234
NSN 6105-01-451-4327
NSN 5996-00-111-3379
NSN 5950-01-091-9746
NSN 6650-00-759-6946
NSN 5910-00-187-4012
NSN 5925-01-426-6923
NSN 6135-01-622-1296
NSN 5910-01-563-0057
NSN 5975-01-435-5649
NSN 5915-01-023-9204
NSN 6145-01-432-1767