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 6620-01-391-7331
NSN 6135-00-932-3136
NSN 2925-00-066-9700
NSN 6320-01-527-0211
NSN 4140-01-225-0041
NSN 5910-00-683-3982
NSN 6220-01-501-1634
NSN 5975-01-614-7179
NSN 5999-00-951-3896
NSN 5985-01-498-8266
NSN 5855-00-053-3142
NSN 6685-00-099-9025