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 5985-00-658-9652
NSN 5950-00-236-8920
NSN 5835-01-481-4204
NSN 5985-01-490-1326
NSN 5985-00-069-5412
NSN 5985-00-222-9037
NSN 6320-01-021-6633
NSN 5920-01-127-3769
NSN 5960-01-425-1454
NSN 5895-00-188-6798
NSN 5975-01-094-6250
NSN 5925-01-193-6056