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 6145-01-554-0032
NSN 5835-01-502-9228
NSN 6610-01-113-2726
NSN 5905-00-548-4733
NSN 6130-01-604-1604
NSN 4140-00-864-1710
NSN 5960-00-121-7458
NSN 6145-01-132-4136
NSN 5985-00-419-0342
NSN 5965-00-518-0958
NSN 5930-00-826-1787
NSN 5996-01-576-9003