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 7035-01-658-1623
NSN 6650-01-323-6252
NSN 6650-00-889-6802
NSN 5895-01-476-7344
NSN 5935-01-214-4256
NSN 6135-01-556-7318
NSN 6150-00-868-2679
NSN 5855-00-433-2377
NSN 5945-01-642-1312
NSN 6645-00-796-7206
NSN 4140-01-151-3547
NSN 5895-01-026-9002