0.188 in. Orifice
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 5905-01-112-1211
NSN 5915-01-407-4198
NSN 6105-01-236-0799
NSN 5915-01-190-0852
NSN 5965-01-502-7006
NSN 5835-01-357-9235
NSN 6135-01-282-4326
NSN 4140-01-435-3197
NSN 5996-01-536-6982
NSN 6685-00-050-3697
NSN 6645-01-633-1852
NSN 6145-01-424-0354