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 5990-00-798-7590
NSN 6650-01-160-1110
NSN 5935-01-071-3425
NSN 5990-01-299-2014
NSN 5975-01-330-0665
NSN 6610-00-469-8534
NSN 6135-00-474-1397
NSN 6105-01-032-7181
NSN 5910-00-479-0347
NSN 6220-01-085-4789
NSN 6220-01-437-2716
NSN 6110-01-506-8487