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 6135-01-515-4260
NSN 4140-01-292-3870
NSN 5855-01-266-1645
NSN 6220-01-646-3937
NSN 6685-00-649-7595
NSN 5930-00-724-8129
NSN 5996-01-269-4143
NSN 5935-01-089-7920
NSN 2925-01-423-3003
NSN 4140-01-432-3213
NSN 5998-00-904-2619
NSN 6320-01-280-1014