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 5835-01-099-8702
NSN 6130-01-213-6501
NSN 6645-00-494-3065
NSN 5910-01-218-7910
NSN 6220-01-190-6906
NSN 5975-01-471-3589
NSN 4140-00-466-9268
NSN 6135-01-120-9812
NSN 5930-01-025-7844
NSN 6650-01-209-6318
NSN 5999-00-982-6900
NSN 5895-00-470-8276