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 6110-01-463-8392
NSN 6610-01-653-5706
NSN 6105-00-583-3157
NSN 6130-00-383-6715
NSN 5965-00-886-8511
NSN 5945-01-657-9798
NSN 5855-00-079-2370
NSN 6240-00-713-0237
NSN 6320-00-116-3658
NSN 5996-01-306-2076
NSN 5950-01-293-3160
NSN 6645-00-020-2787