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 7035-01-354-9382
NSN 6645-00-816-5337
NSN 6620-00-492-4936
NSN 6145-01-608-4405
NSN 5999-00-249-2830
NSN 5925-01-507-7742
NSN 5975-00-546-7575
NSN 5910-01-398-3534
NSN 5990-01-485-0260
NSN 6320-01-116-3980
NSN 5945-00-342-9593
NSN 6105-00-337-3493