The NPRD-2011 entry entitled ‘Insert, Screw Thread’ contains data for a number of manufacturers including HeliCoil. (“HeliCoil” is a trademarked name for a helical insert, which is an insert that is made of coiled wire.) HeliCoil part numbers included in the data are 3591-6CN0375 and 3591-8CNX1-2. Helical inserts produced by other manufacturers are also contained in the data including components manufactured to MS21209, MS122168 and MIL-I-8846 specifications.