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 6110-01-648-0592
NSN 6685-00-151-5257
NSN 6320-01-173-7950
NSN 6130-01-386-2894
NSN 6110-01-483-3922
NSN 5915-01-103-7768
NSN 6685-00-816-8838
NSN 6110-00-813-8632
NSN 5950-01-423-0082
NSN 6145-01-062-6918
NSN 4140-01-205-0197
NSN 6650-01-127-4647