Navy Eddy Current Standard, 7075-T651/T73 Aluminum

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Navy Universal Eddy Current Standard. A (3) plate assembly containing (20) fastener holes with a total of (71) EDM notches in various locations.

  • Overall Dimensions:0.875" thick x 4.0" wide x 7.0" long
  • Alloy: 7075-T6 Aluminum (top and middle layer) and 7075-T73 (bottom later), anodized
  • (20) Fastener Holes from0.156 to0.750" diameter.
  • (40) Corner notches, (20) Bore notches, (9) Surface notches, (1) Tapered notch, (1) Radius notch
  • All EDM notches are0.004 ±0.001 wide
  • Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-40.
  • P/N NRK-3A