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 5835-00-707-6266
NSN 5950-00-708-1502
NSN 5975-00-994-9102
NSN 5915-00-478-6589
NSN 6220-01-051-0363
NSN 5998-01-624-7347
NSN 6110-01-265-1080
NSN 5975-00-155-4181
NSN 5965-01-095-1926
NSN 5975-01-521-8459
NSN 6105-01-119-5468
NSN 2925-01-364-7926