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 5925-00-926-0863
NSN 6150-00-443-2231
NSN 5945-01-227-6922
NSN 6685-00-005-7896
NSN 5855-01-045-9728
NSN 6240-01-503-5676
NSN 5960-01-158-9166
NSN 5990-00-093-4603
NSN 6685-01-181-6232
NSN 6150-01-069-4240
NSN 5925-00-290-4451
NSN 5985-01-236-8293