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 6130-01-615-2265
NSN 6135-01-610-7335
NSN 2925-01-306-4228
NSN 5935-01-041-1425
NSN 6130-00-254-1857
NSN 7035-01-201-6329
NSN 5930-01-323-7005
NSN 5975-01-316-7691
NSN 5990-01-578-5382
NSN 5925-00-341-5875
NSN 6135-01-079-7852
NSN 5950-01-208-6387