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 4140-01-243-1281
NSN 5950-01-381-9153
NSN 6620-01-534-2370
NSN 7035-00-093-5840
NSN 5950-00-031-0907
NSN 6220-01-367-6411
NSN 5975-00-296-5040
NSN 6135-00-182-7008
NSN 6645-01-483-1518
NSN 5996-01-381-3151
NSN 5920-00-174-1657
NSN 6145-01-325-8505