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.
Classification: Check valves of steel
NSN 6610-00-170-6715
NSN 6620-01-019-6952
NSN 6220-01-175-1246
NSN 6145-00-548-2997
NSN 5910-01-432-3495
NSN 5999-01-385-6712
NSN 4140-00-186-3062
NSN 5910-01-342-2802
NSN 6650-01-376-6965
NSN 5996-00-813-3304
NSN 5895-01-266-7286
NSN 2925-01-575-7376