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 5996-00-116-7498
NSN 5975-00-980-3042
NSN 5895-01-151-7686
NSN 5835-00-431-4451
NSN 6150-01-267-7382
NSN 5925-00-156-4044
NSN 5950-01-617-6798
NSN 6240-01-519-8781
NSN 5905-00-540-6997
NSN 6145-01-119-9040
NSN 7035-01-253-9271
NSN 6135-00-073-8939