C-17a acft
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 5985-01-535-5157
NSN 6320-01-341-7986
NSN 4140-01-400-3610
NSN 6110-01-274-4900
NSN 5910-01-534-0480
NSN 6645-00-121-7566
NSN 5905-00-186-0942
NSN 5930-00-633-8008
NSN 6130-01-322-8507
NSN 5895-01-354-3028
NSN 7035-01-008-7248
NSN 5985-01-025-6051