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 7035-00-275-5604
NSN 6610-01-483-5258
NSN 5905-00-147-8192
NSN 6105-00-759-9769
NSN 5905-00-082-1927
NSN 6130-01-165-3223
NSN 6130-00-108-6115
NSN 6135-01-423-7502
NSN 6110-01-158-7225
NSN 5915-01-099-1018
NSN 5945-01-422-6978
NSN 6135-01-136-1059