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 5920-01-235-9522
NSN 5975-00-726-3565
NSN 6320-01-527-0211
NSN 5998-01-485-2085
NSN 6645-00-476-7176
NSN 6320-00-731-6134
NSN 5960-01-530-6302
NSN 5996-01-100-4361
NSN 5960-00-001-3109
NSN 6620-01-304-4747
NSN 6130-01-434-5612
NSN 5965-01-360-6568