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 5910-00-946-4383
NSN 5905-01-004-9467
NSN 5996-00-318-3405
NSN 6135-00-500-2082
NSN 5920-01-286-1891
NSN 5835-00-148-9719
NSN 6685-01-543-3554
NSN 2925-01-182-0227
NSN 2925-00-071-4197
NSN 6620-01-094-6549
NSN 6110-01-587-3637
NSN 6145-01-102-4660