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 5965-01-096-7825
NSN 6110-01-535-1394
NSN 4140-01-186-3977
NSN 6650-00-163-6064
NSN 7035-01-485-0269
NSN 6130-01-478-2743
NSN 6145-01-176-4047
NSN 4140-00-451-8374
NSN 5905-01-238-3871
NSN 5965-01-627-0848
NSN 6645-00-557-0322
NSN 6130-00-481-5993