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 6645-00-256-4072
NSN 6685-01-462-0141
NSN 5920-01-005-0161
NSN 6610-01-400-3880
NSN 6645-00-230-4396
NSN 6685-01-393-0776
NSN 5998-01-564-7716
NSN 5965-01-113-9061
NSN 5855-00-688-9954
NSN 6685-01-218-7316
NSN 5996-01-447-6294
NSN 5975-00-817-4476