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 6650-01-616-6235
NSN 6110-00-156-4307
NSN 5985-01-168-7839
NSN 6145-01-401-3713
NSN 5925-00-462-0691
NSN 6110-00-669-6586
NSN 6645-01-127-6252
NSN 6320-00-149-7570
NSN 6685-00-239-5700
NSN 6145-00-857-6903
NSN 6240-00-191-2855
NSN 5910-01-326-2704