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 5960-00-140-9583
NSN 6220-00-737-4872
NSN 5996-00-020-2850
NSN 5945-01-058-3552
NSN 5975-01-536-6472
NSN 5945-01-297-0814
NSN 7035-01-224-5165
NSN 5950-01-616-8243
NSN 5999-01-213-0345
NSN 5999-01-227-2107
NSN 7035-01-271-1643
NSN 6135-01-396-0704