Mcdonnell douglas av-8b aircraft
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 6685-01-504-9486
NSN 6150-01-504-1285
NSN 5935-01-095-8974
NSN 6610-00-931-3655
NSN 5990-00-518-3195
NSN 5945-00-529-0103
NSN 5905-00-948-3168
NSN 5935-01-301-1627
NSN 6650-01-560-2861
NSN 5925-00-240-7676
NSN 5998-00-759-0618
NSN 5965-01-535-5789