Use w/skydrol fluids per consolidated vultee aircraft corporation specification zm340-007
A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
Classification: Check valves of steel
NSN 6610-01-155-8315
NSN 6150-00-727-6742
NSN 6135-01-222-0703
NSN 2925-01-612-0405
NSN 5985-00-519-4797
NSN 5920-01-359-1197
NSN 5920-01-015-5720
NSN 5999-01-167-7936
NSN 6220-01-241-4625
NSN 6220-01-566-6528
NSN 5930-00-783-8392
NSN 5996-00-001-2773