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 4140-01-556-9136
NSN 6220-00-071-4598
NSN 5996-01-624-3209
NSN 5965-01-326-0606
NSN 5975-01-656-1234
NSN 5950-00-333-1204
NSN 5935-01-569-1455
NSN 5895-01-046-2001
NSN 6145-01-241-9221
NSN 5960-01-108-8231
NSN 6685-01-227-6785
NSN 5905-00-612-0010