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 6110-01-209-9136
NSN 5996-01-421-4761
NSN 5945-01-605-0511
NSN 5998-00-959-4539
NSN 5965-01-122-7477
NSN 5895-01-342-9952
NSN 5990-01-408-6554
NSN 5925-01-099-0974
NSN 5925-00-140-6367
NSN 5950-00-290-8090
NSN 6150-01-131-7534
NSN 5985-01-478-3273