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 7035-01-076-3091
NSN 5945-01-481-7084
NSN 6220-01-516-7972
NSN 6130-01-237-1883
NSN 2925-00-933-0200
NSN 5925-00-070-5011
NSN 2925-00-763-5061
NSN 6685-00-331-8141
NSN 5855-00-466-2309
NSN 5996-00-087-9596
NSN 5985-01-278-7206
NSN 5930-01-211-0092