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 steel
NSN 5999-00-257-6372
NSN 5990-01-609-4793
NSN 5925-01-356-6161
NSN 6240-01-308-1848
NSN 6135-01-648-4875
NSN 5945-00-391-5682
NSN 5855-01-258-6180
NSN 6685-01-617-2334
NSN 6650-01-073-5925
NSN 5999-01-226-5597
NSN 5985-00-878-1470
NSN 5965-01-650-6481