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 6135-00-044-3860
NSN 5920-00-771-7280
NSN 5950-00-449-1750
NSN 6145-00-139-4670
NSN 6145-01-613-4991
NSN 5910-01-536-2097
NSN 5895-00-820-0502
NSN 5945-00-352-3000
NSN 6645-01-487-6282
NSN 6220-01-621-6418
NSN 6135-00-080-9176
NSN 5905-01-089-3831