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 5950-01-301-4824
NSN 6135-00-299-6918
NSN 6610-00-078-9620
NSN 6685-01-163-6126
NSN 5999-01-486-6432
NSN 5975-00-286-8506
NSN 6145-01-270-0151
NSN 6685-00-580-8387
NSN 5835-01-214-5402
NSN 5935-01-548-6785
NSN 6110-00-740-5750
NSN 6610-01-212-2969