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 5998-00-067-3743
NSN 6145-01-088-2081
NSN 5999-01-233-9640
NSN 6145-00-871-9112
NSN 6320-01-622-5493
NSN 6320-00-925-0558
NSN 5996-00-804-2698
NSN 4140-01-157-8882
NSN 4140-01-130-6237
NSN 5945-01-269-8291
NSN 5996-01-007-2147
NSN 5855-00-189-6066