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 5905-01-248-3200
NSN 6645-01-053-3185
NSN 6135-00-862-5736
NSN 6685-00-949-4829
NSN 5905-01-500-5719
NSN 5920-01-311-6262
NSN 6135-01-400-2947
NSN 5910-01-173-8294
NSN 6110-01-031-7185
NSN 6620-01-076-1340
NSN 5925-01-152-4955
NSN 5935-01-180-1366