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 5895-01-237-5065
NSN 5965-00-513-1352
NSN 5945-01-187-4600
NSN 5855-01-486-9924
NSN 5999-00-153-9671
NSN 5950-00-775-0340
NSN 6620-00-122-8136
NSN 6145-01-241-5206
NSN 5920-00-903-8503
NSN 6240-01-212-3255
NSN 4140-01-634-0330
NSN 5985-01-057-1352