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 6650-01-438-7323
NSN 6135-01-245-5876
NSN 5950-01-284-3645
NSN 6145-00-299-7757
NSN 6320-00-036-3688
NSN 5895-01-580-0422
NSN 6135-01-502-0018
NSN 5855-00-548-4742
NSN 5855-01-027-1571
NSN 4140-01-420-7269
NSN 6130-01-383-7469
NSN 6130-01-136-5233