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USAF General Purpose
Eddy Current Standard Test Block (Stainless Steel)
U.S. Air Force General Purpose Eddy Current Standard. A (3) plate assembly containing (20) fastener holes with a total of (66) EDM notches in various locations.
Overall Dimensions: 1.06" thick x 4.0" wide x 7.0" long.
Alloy: Stainless Steel, clear anodized.
(20) Fastener Holes from .156 to .750" diameter.
(40) Corner notches, (20) Bore notches, (4) Surface notches (1) Tapered notch, (1) Radius notch.
All EDM notches are .004 ± .001 wide.
The finished standard is anodized per MIL-A-8625.
Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-39.
NSN 6635-01-092-5129 and P/N 7947479-10
Material: Stainless Steel
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