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 5996-01-009-0428
NSN 6610-00-575-7933
NSN 6135-00-027-3914
NSN 5999-01-250-8928
NSN 6150-01-127-2859
NSN 5920-01-284-8679
NSN 5960-01-102-5936
NSN 5985-01-062-9426
NSN 5930-01-420-8249
NSN 5915-00-125-9914
NSN 7035-01-057-6325
NSN 6240-01-415-5149