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 6320-00-149-7570
NSN 5855-00-832-9341
NSN 5950-00-497-4571
NSN 5910-00-150-1216
NSN 5990-01-578-1499
NSN 6610-01-365-4283
NSN 6150-01-441-5504
NSN 5905-01-210-6685
NSN 6620-01-100-3181
NSN 5910-01-277-8739
NSN 6620-01-145-7762
NSN 6110-01-297-3924