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 5935-00-163-2180
NSN 6645-00-928-7208
NSN 2925-00-881-3770
NSN 6685-01-258-6453
NSN 5950-01-452-8190
NSN 6645-01-588-5591
NSN 5835-01-089-7615
NSN 6610-01-605-2451
NSN 5960-01-573-6483
NSN 5950-01-557-4828
NSN 5895-00-139-3053
NSN 5950-00-117-4705