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 6650-01-231-9545
NSN 5925-00-952-8641
NSN 5895-01-344-5515
NSN 5855-01-327-2681
NSN 6685-01-012-1557
NSN 5996-01-012-5716
NSN 5930-00-553-8944
NSN 2925-00-964-7128
NSN 5960-01-006-8469
NSN 5920-01-457-3166
NSN 6150-00-974-2167
NSN 7035-01-359-7460