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 6610-01-420-1739
NSN 6620-01-199-3261
NSN 5945-01-119-2810
NSN 5960-01-392-6982
NSN 2925-00-816-8765
NSN 6610-00-955-2808
NSN 6645-00-116-1409
NSN 2925-00-938-3797
NSN 6105-01-060-6915
NSN 6145-01-579-3510
NSN 6645-00-920-8690
NSN 5855-01-147-4785