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 5935-00-833-8561
NSN 5920-01-064-0939
NSN 6105-01-274-8862
NSN 6135-00-334-4500
NSN 5999-00-279-6438
NSN 5990-00-411-1676
NSN 6685-01-138-8406
NSN 5965-01-386-9281
NSN 6110-01-578-8070
NSN 6150-01-335-7703
NSN 5855-01-316-0752
NSN 7035-00-153-3826