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 5990-01-200-7460
NSN 5925-00-286-8502
NSN 5965-01-514-7231
NSN 6645-00-171-9639
NSN 5910-01-048-7454
NSN 5905-01-585-2358
NSN 5945-01-555-5509
NSN 5985-01-121-2304
NSN 6610-01-605-2451
NSN 6105-01-460-4280
NSN 7035-01-472-1987
NSN 6130-00-935-8791