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 5998-01-027-2690
NSN 6130-01-634-0603
NSN 6105-01-513-8653
NSN 5915-01-480-5913
NSN 5930-00-839-3928
NSN 5999-00-925-9535
NSN 6110-01-468-0428
NSN 5905-01-177-0524
NSN 2925-00-535-9928
NSN 5930-01-407-5198
NSN 6150-01-258-4036
NSN 6645-01-445-9089