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 5910-00-280-1463
NSN 5985-01-413-1257
NSN 5925-01-584-3202
NSN 7035-01-528-7870
NSN 2925-01-022-8332
NSN 5915-00-707-2297
NSN 6620-01-146-6968
NSN 5965-01-157-7732
NSN 5945-01-469-7093
NSN 5925-00-089-2152
NSN 2925-01-360-2734
NSN 6105-01-611-4382