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 6610-01-415-5775
NSN 5835-00-223-7235
NSN 5999-01-207-2343
NSN 5950-00-113-9793
NSN 6130-00-900-7272
NSN 6650-01-607-2620
NSN 5855-01-213-9076
NSN 5895-01-057-7394
NSN 5905-01-071-3789
NSN 5945-01-568-7389
NSN 5920-01-426-0516
NSN 6685-01-392-0059