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Your cart is empty.Used for distance amplitude correction, sensitivity levels and flaw depth information. Inch Version Contains six 3/64 diameter side-drilled through-holes at distances of 0.25 to 2.75 in 0.25 increments. MTDs are engraved near both scan edges on one face. In accordance with MIL-STD-271G Figure 9, and NAVSHIPS Specification 0900-006-3010/Section 6. Also known as a Mare Island block. This block is surface ground to a 32 Ra finish on all surfaces. Dimensions: 12.000 x 3.000 x 1.250
$91.49
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