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.
NSN 6240-01-075-6559
NSN 6610-00-221-6124
NSN 6645-01-056-5291
NSN 5996-01-265-8621
NSN 5975-01-307-0807
NSN 5930-00-429-7965
NSN 7035-00-421-8710
NSN 6685-00-953-9090
NSN 6130-00-139-2914
NSN 5960-01-038-8487
NSN 5935-01-313-0590
NSN 4140-01-471-7193