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 5965-01-433-9864
NSN 6320-01-630-7629
NSN 6135-00-240-3200
NSN 5905-01-457-1129
NSN 6610-01-032-5335
NSN 6220-01-212-3004
NSN 5999-01-602-9260
NSN 5910-01-652-0233
NSN 5996-01-437-6227
NSN 5990-00-224-9408
NSN 5895-00-133-9225
NSN 5985-01-378-7135