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 6610-00-618-6192
NSN 5975-00-633-8532
NSN 6105-01-166-9158
NSN 5950-01-265-4686
NSN 5915-00-683-8248
NSN 5945-01-391-4652
NSN 5910-01-017-7261
NSN 5925-00-823-6138
NSN 5920-00-365-4589
NSN 5945-00-536-7752
NSN 5895-01-296-0856
NSN 6135-00-170-8819