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 5925-01-483-7604
NSN 5835-01-293-6453
NSN 6645-01-373-2262
NSN 7035-01-057-6325
NSN 5965-01-367-6483
NSN 5835-01-535-0948
NSN 5960-01-406-4136
NSN 7035-00-915-5798
NSN 6105-01-392-9656
NSN 5975-00-379-2388
NSN 5945-01-570-4626
NSN 6240-01-633-9357