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 5945-01-476-6133
NSN 5895-01-259-8947
NSN 6685-01-227-0389
NSN 5895-01-560-2431
NSN 5935-01-541-5441
NSN 5855-00-149-0766
NSN 5855-00-494-9581
NSN 6145-01-483-1292
NSN 5915-00-113-4396
NSN 5855-01-197-2774
NSN 5950-00-373-3839
NSN 6130-00-971-5812