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 7035-01-186-5786
NSN 6105-01-123-8040
NSN 6320-01-449-1014
NSN 6240-00-123-7648
NSN 6110-00-877-2940
NSN 5945-00-733-9350
NSN 5990-01-042-1984
NSN 5985-01-407-7314
NSN 5965-01-204-8505
NSN 6105-00-222-6194
NSN 5855-00-247-7219
NSN 5925-00-223-1842