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 5960-01-457-0157
NSN 5950-01-623-3752
NSN 5855-01-464-1038
NSN 5945-01-284-7337
NSN 6610-01-391-4187
NSN 2925-01-184-2413
NSN 5945-01-132-6974
NSN 6130-01-500-1846
NSN 6220-00-703-1334
NSN 6650-00-165-5723
NSN 5910-01-423-5245
NSN 4140-01-634-0330