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 6685-01-449-0933
NSN 5910-00-466-8053
NSN 5990-00-433-3445
NSN 5855-00-943-3894
NSN 5985-00-082-5228
NSN 5925-00-798-6767
NSN 5895-00-444-0139
NSN 5996-00-056-5150
NSN 5910-01-434-4082
NSN 5975-00-276-7559
NSN 6240-01-412-7803
NSN 5855-01-588-7940