3 in. Valve size
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 6240-01-401-5340
NSN 4140-00-421-4555
NSN 5999-01-464-3999
NSN 6320-00-313-9114
NSN 5996-01-327-5027
NSN 5910-01-421-0769
NSN 6240-01-549-1743
NSN 5975-00-212-7754
NSN 5996-00-620-2940
NSN 6150-00-258-3016
NSN 2925-01-055-9705
NSN 6130-01-073-8860