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 6145-00-141-8095
NSN 5960-01-560-8461
NSN 6320-01-299-6367
NSN 5935-01-158-9165
NSN 5905-01-291-9388
NSN 7035-01-038-8248
NSN 5996-00-325-6285
NSN 6150-01-369-8773
NSN 5965-01-325-0627
NSN 5975-01-143-4800
NSN 2925-00-814-0429
NSN 5999-01-025-9717