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 5920-01-179-3366
NSN 5999-01-317-9379
NSN 7035-01-110-9355
NSN 6320-00-977-3930
NSN 6645-01-105-9107
NSN 5985-01-415-3134
NSN 5950-01-595-0207
NSN 5950-01-423-9123
NSN 6220-01-549-9584
NSN 5945-00-948-7085
NSN 5910-01-366-5990
NSN 5965-01-147-5847