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 materials other than copper, iron or steel
NSN 6135-00-377-9165
NSN 5945-00-150-3034
NSN 5945-01-447-3456
NSN 5975-00-299-1202
NSN 5999-01-328-8692
NSN 5925-01-426-6923
NSN 5835-00-435-1428
NSN 5990-00-067-6545
NSN 7035-01-423-8343
NSN 6145-01-459-7837
NSN 7035-01-158-7673
NSN 6135-01-163-0332