Soak back piping
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 6105-00-455-1381
NSN 5945-00-045-1170
NSN 6685-01-399-8584
NSN 6650-01-555-8049
NSN 5999-00-110-7501
NSN 6145-00-877-9567
NSN 6220-00-797-7436
NSN 5985-01-156-6558
NSN 6135-01-051-7836
NSN 5925-01-225-6809
NSN 6145-00-990-5489
NSN 5925-00-410-4822