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 6645-01-423-9361
NSN 6645-01-215-0617
NSN 5925-01-435-4409
NSN 5985-01-464-0410
NSN 6105-01-344-7302
NSN 5835-00-711-3371
NSN 6105-01-201-4311
NSN 5965-01-367-2595
NSN 5835-01-306-5511
NSN 5996-01-525-6712
NSN 5930-00-596-9276
NSN 5935-00-544-3609