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 5965-01-339-8139
NSN 6240-00-854-1962
NSN 5855-01-464-5084
NSN 5999-01-253-0218
NSN 6320-01-229-6479
NSN 6220-01-327-3272
NSN 5855-00-165-3093
NSN 6150-01-400-3645
NSN 5905-01-357-6989
NSN 5985-01-117-8284
NSN 5855-01-162-5251
NSN 6135-01-643-5809