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 5835-00-345-9516
NSN 5985-01-494-3238
NSN 5975-00-099-9312
NSN 5935-00-307-4309
NSN 7035-01-226-1773
NSN 6620-00-010-8190
NSN 6240-01-428-4402
NSN 5950-00-293-8260
NSN 6645-01-473-2987
NSN 7035-01-227-2546
NSN 6135-00-269-5843
NSN 6645-01-303-6792