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 6145-00-004-3530
NSN 6150-00-810-9605
NSN 6135-00-777-5562
NSN 5985-01-211-2638
NSN 6220-01-351-1555
NSN 5915-01-190-8083
NSN 5985-01-295-5041
NSN 5930-00-890-3117
NSN 5925-01-171-3637
NSN 6135-00-715-4001
NSN 5910-01-515-4559
NSN 6110-01-090-0804