Valve size 0.250 in.
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 5999-01-106-4658
NSN 5910-01-385-0277
NSN 5855-00-939-4496
NSN 5910-01-513-1608
NSN 5996-01-388-4412
NSN 5855-00-925-0114
NSN 5915-01-417-9635
NSN 5915-01-191-5334
NSN 6610-01-084-6738
NSN 6150-01-261-7945
NSN 6220-01-107-2613
NSN 6645-01-157-4199