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 5985-01-067-8041
NSN 5950-01-592-3145
NSN 5925-01-271-7242
NSN 5855-01-351-8909
NSN 5985-00-999-1526
NSN 5905-01-578-7381
NSN 5996-01-128-4811
NSN 4140-01-103-9802
NSN 6150-01-525-5765
NSN 7035-01-114-3134
NSN 5905-00-246-6672
NSN 5985-01-500-0880