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 5945-01-106-0272
NSN 6320-01-364-1840
NSN 5910-01-560-7804
NSN 5930-01-641-5477
NSN 4140-01-256-0910
NSN 2925-01-444-6676
NSN 5935-01-551-2807
NSN 7035-01-527-6718
NSN 5930-01-068-0054
NSN 5910-01-458-0794
NSN 6240-00-569-5854
NSN 5920-01-659-7003