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 5945-01-343-0833
NSN 6145-01-190-6491
NSN 6145-01-319-7763
NSN 5965-01-084-2385
NSN 6685-00-638-9261
NSN 5905-01-649-1212
NSN 5950-00-270-4701
NSN 5855-01-460-8398
NSN 7035-01-026-0117
NSN 6135-01-377-5729
NSN 5950-01-368-1178
NSN 6650-00-561-3762