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 5975-01-095-9878
NSN 5915-00-161-4409
NSN 5925-00-476-4868
NSN 5985-01-447-4712
NSN 6110-01-546-0161
NSN 6645-01-492-9823
NSN 5960-00-728-5209
NSN 5985-00-288-6001
NSN 5950-01-398-3063
NSN 2925-01-424-0235
NSN 6645-01-010-3746
NSN 5985-00-698-3813