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 5990-01-288-7393
NSN 5975-01-285-2352
NSN 6650-01-434-0331
NSN 6150-01-413-9855
NSN 6240-00-493-3693
NSN 5925-00-008-4413
NSN 6135-01-286-9563
NSN 5920-01-354-4645
NSN 6130-00-910-4542
NSN 6150-01-530-4980
NSN 5920-01-515-4032
NSN 5925-01-071-3158