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 6320-01-078-8257
NSN 5975-00-111-6781
NSN 6320-00-242-3300
NSN 6620-01-070-9042
NSN 5895-01-267-7730
NSN 6685-01-176-9454
NSN 5945-01-465-5324
NSN 6620-01-155-6564
NSN 5910-00-266-8438
NSN 5985-01-364-0040
NSN 5975-01-352-9336
NSN 5999-00-386-1029