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 5999-01-422-4506
NSN 5999-01-098-2360
NSN 5920-01-026-2559
NSN 5965-01-278-2107
NSN 5996-01-346-1099
NSN 2925-00-887-2073
NSN 2925-01-503-6792
NSN 5910-01-419-2103
NSN 6645-00-072-1909
NSN 6610-00-844-4871
NSN 5945-00-758-7253
NSN 6685-01-123-3248