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 2925-00-088-6790
NSN 6130-01-537-1261
NSN 5920-01-245-9838
NSN 5910-00-891-4245
NSN 6105-01-625-9636
NSN 6135-00-269-5843
NSN 6685-00-566-7721
NSN 6320-01-359-3921
NSN 6320-00-925-0558
NSN 5960-01-552-0862
NSN 6105-01-610-0338
NSN 6130-01-466-9966