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 6135-01-322-4655
NSN 5998-01-645-7082
NSN 5895-00-065-8619
NSN 5945-00-899-9726
NSN 6320-01-021-6633
NSN 6110-00-245-1814
NSN 5920-01-487-3700
NSN 6145-01-313-8678
NSN 5985-01-548-2402
NSN 2925-00-035-4864
NSN 5990-01-160-6978
NSN 5895-01-142-5765