5133-01-460-2376 (157)
NSN 5133-01-460-2376 (NIIN 01-460-2376) is a twist drill in Federal Supply Class 5133, Drill Bits, Counterbores, And Countersinks: Hand And Machine — an end cutting tool having two or more cutting edges, and having helical flutes or grooves adjacent thereto for the admission of coolant and the ejection. Manufacturer part number 157; also referenced as 40640, R40 1-5/8 (Precision Twist Drill Co); 157 1-5/8, 48604 (Greenfield Industries Inc); 2120 1-5/8 (Kennametal Inc.).
NIIN assigned October 1998; DEMIL A (none required); ESD/EMI-sensitive; export Schedule B 8205.10.0000.