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 6130-00-688-5278
NSN 6110-00-385-2978
NSN 6220-00-007-9698
NSN 7035-01-424-6825
NSN 5920-00-270-5179
NSN 5925-01-422-0431
NSN 5935-01-122-4191
NSN 5999-00-511-8525
NSN 6110-01-197-7917
NSN 6685-01-539-8970
NSN 5975-00-757-8138
NSN 5996-00-081-3175