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 6135-01-046-6803
NSN 6610-01-126-5616
NSN 6610-00-670-7803
NSN 5975-01-364-2564
NSN 6320-00-036-3688
NSN 7035-01-053-4769
NSN 4140-01-499-1418
NSN 6610-01-107-7576
NSN 6130-01-463-3296
NSN 5925-00-374-2528
NSN 5915-00-235-3647
NSN 5910-00-099-9998