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 6135-01-236-8603
NSN 2925-00-659-3522
NSN 5895-01-432-4322
NSN 5935-01-275-0336
NSN 5895-01-446-4242
NSN 5975-01-502-3250
NSN 6610-01-276-7766
NSN 5965-01-238-0488
NSN 6110-01-562-7502
NSN 6105-01-245-8725
NSN 5945-01-536-3925
NSN 2925-01-444-6676