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 5895-00-027-3444
NSN 6110-00-759-8317
NSN 6685-00-429-0514
NSN 5935-00-086-6894
NSN 5910-01-511-5582
NSN 5965-01-113-9061
NSN 6220-01-412-0687
NSN 6130-00-209-6716
NSN 5945-01-217-3325
NSN 5999-01-634-0576
NSN 5895-00-525-3295
NSN 5920-00-243-8181