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 6320-01-414-7099
NSN 5925-01-060-9523
NSN 5975-01-437-7048
NSN 6645-01-242-8085
NSN 6145-01-502-6399
NSN 5835-01-013-9321
NSN 7035-01-005-0694
NSN 5925-01-181-4740
NSN 6135-01-314-8416
NSN 4140-01-088-6624
NSN 6685-00-753-2896
NSN 6645-00-177-4729