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 6610-01-011-0296
NSN 6220-00-567-6862
NSN 6620-01-643-5531
NSN 6650-01-164-5873
NSN 5975-00-315-8369
NSN 5925-00-965-8497
NSN 6110-00-489-8810
NSN 5985-01-633-3206
NSN 6645-00-419-4860
NSN 6610-01-633-8931
NSN 5835-00-694-8592
NSN 6110-00-995-8743