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 6110-01-616-4509
NSN 5985-01-237-3495
NSN 6650-00-187-5388
NSN 5996-01-429-0143
NSN 6610-01-014-3964
NSN 6645-01-023-2180
NSN 6105-01-197-3961
NSN 6320-01-388-3125
NSN 6620-01-423-7300
NSN 6610-01-029-7970
NSN 6105-01-362-9367
NSN 6220-01-357-7675