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 5950-01-447-2839
NSN 5950-01-411-9413
NSN 5910-00-291-3955
NSN 5965-01-526-3190
NSN 7035-00-616-4410
NSN 6135-01-364-0667
NSN 6610-00-826-7235
NSN 5855-01-513-9601
NSN 6110-01-383-7195
NSN 5855-00-361-0167
NSN 5930-00-292-1089
NSN 5895-00-455-0248