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 5925-01-554-3786
NSN 5975-01-237-8157
NSN 5985-00-617-7702
NSN 5998-01-373-0156
NSN 5950-00-947-3923
NSN 5855-01-564-6511
NSN 6685-00-171-9815
NSN 5990-01-568-5565
NSN 5905-01-029-7622
NSN 5985-01-165-1660
NSN 2925-00-363-9878
NSN 5930-01-085-7376