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 5910-01-543-6551
NSN 5985-01-069-9572
NSN 6645-01-420-7801
NSN 6145-00-086-3746
NSN 6240-00-901-4200
NSN 6135-00-985-7887
NSN 5996-01-530-6882
NSN 6145-01-417-0042
NSN 5925-00-081-9135
NSN 6645-01-435-6373
NSN 6135-01-490-7704
NSN 6110-01-479-5079