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 materials other than copper, iron or steel
NSN 5985-01-137-3767
NSN 5915-01-330-4052
NSN 2925-01-299-6967
NSN 5905-01-322-4901
NSN 6150-01-012-3971
NSN 5996-01-462-5332
NSN 6145-01-012-6351
NSN 5920-01-428-9220
NSN 6145-00-515-6931
NSN 2925-01-463-8856
NSN 5965-01-204-1423
NSN 5996-00-899-3163