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 7035-01-088-6415
NSN 5920-01-027-0660
NSN 6240-00-702-9068
NSN 5945-01-437-8115
NSN 5925-00-824-0329
NSN 6145-01-535-6220
NSN 5950-00-483-4009
NSN 5999-01-033-0593
NSN 6135-00-613-1068
NSN 6145-00-099-8986
NSN 6645-01-320-4138
NSN 5965-01-399-8454