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 6685-01-541-5788
NSN 5950-01-196-5178
NSN 5910-01-447-4755
NSN 5990-01-581-5103
NSN 5935-01-152-7933
NSN 5965-01-220-9200
NSN 6320-00-228-5678
NSN 5895-00-039-5486
NSN 5930-00-816-8825
NSN 5975-00-148-8499
NSN 5996-00-900-4001
NSN 5945-01-359-9822