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 5985-00-983-2424
NSN 5990-01-378-7349
NSN 6645-01-361-4813
NSN 5910-00-478-4392
NSN 6240-00-274-4028
NSN 5920-00-008-8465
NSN 6320-01-549-7201
NSN 5965-01-408-9551
NSN 5925-01-607-5684
NSN 5999-01-295-6941
NSN 5915-01-406-3271
NSN 5975-01-137-0206