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 6240-01-163-2813
NSN 6150-01-605-2807
NSN 5965-01-551-4109
NSN 5990-01-434-7913
NSN 6650-01-406-5322
NSN 5965-00-004-6371
NSN 6220-00-204-5538
NSN 4140-01-071-6191
NSN 5925-01-351-0694
NSN 6685-01-578-0015
NSN 6110-00-113-1415
NSN 6685-01-651-6098