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.
NSN 5998-01-408-5251
NSN 5920-01-394-3409
NSN 6685-01-201-8270
NSN 5965-01-214-6225
NSN 2925-01-654-4621
NSN 5960-01-079-5755
NSN 6150-01-032-4556
NSN 5895-01-551-6215
NSN 7035-01-569-8090
NSN 5965-01-293-7031
NSN 5905-01-102-2102
NSN 6220-01-029-4713