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 6110-01-059-0617
NSN 5935-01-237-5800
NSN 6240-01-046-2677
NSN 5990-00-862-3271
NSN 6645-00-994-6664
NSN 5975-01-591-5724
NSN 6685-01-378-8298
NSN 6685-01-648-2179
NSN 6150-00-572-9154
NSN 6145-00-351-4539
NSN 5910-00-139-4808
NSN 6150-01-476-8833