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 6685-01-607-2366
NSN 5855-01-222-1242
NSN 5915-00-099-0347
NSN 2925-01-589-9136
NSN 6145-01-492-2741
NSN 5915-00-359-7776
NSN 6150-01-390-3432
NSN 5895-01-389-1923
NSN 7035-00-541-8516
NSN 5945-00-389-7948
NSN 5960-00-335-3394
NSN 7035-00-574-4223