Description
Air Force General Purpose Eddy Current Standard. Standard is a three (3) plate assembly measuring 4″ x 7″ x 1.06″. Contains twenty (20) fastener holes with diameters from 0.156 to 0.750″, two (2) screw holes, and two (2) dowel pins holes. Standard also contains a total of 66 EDM notches in various locations. Notch depth and length vary. Width is 0.004″ for all notches. Material is 4340 Steel. Manufactured in accordance with U.S.A.F. Tech Order 33B-1-1, Figures 4-47 through 4-49.NSN 6635-01-512-4952, P/N 7947479-10. Includes Certification Report Traceable to NIST.