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 7035-01-504-6048
NSN 5965-00-113-5187
NSN 5945-00-331-9678
NSN 5925-01-236-8070
NSN 6610-00-099-4096
NSN 5925-01-544-3613
NSN 6620-01-275-2781
NSN 5945-01-093-1195
NSN 5999-01-040-7681
NSN 4140-01-351-3892
NSN 5950-00-149-0912
NSN 5930-01-086-0507