Navships Calibration Test Block (Inch Version) Special Alloy Used for distance amplitude correction, sensitivity levels and flaw depth information. 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. Geometry: Contains six 3/64" diameter side-drilled through-holes at distances of .25" to 2.75" in .25" increments. MTDs are engraved near both scan edges on one face. Dimensions: 12.000" x 3.000" x 1.250". Material: Special Alloy

Navships Calibration Test Block (Inch Version) 1018 Steel Used for distance amplitude correction, sensitivity levels and flaw depth information. 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. Geometry: Contains six 3/64" diameter side-drilled through-holes at distances of .25" to 2.75" in .25" increments. MTDs are engraved near both scan edges on one face. Dimensions: 12.000" x 3.000" x 1.250". Material: 1018 Steel

Navships Calibration Test Block (Inch Version) STAINLESS STEEL 304 Used for distance amplitude correction, sensitivity levels and flaw depth information. 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. Geometry: Contains six 3/64" diameter side-drilled through-holes at distances of .25" to 2.75" in .25" increments. MTDs are engraved near both scan edges on one face. Dimensions: 12.000" x 3.000" x 1.250". Material: STAINLESS STEEL 304.

Navships Calibration Test Block (Inch Version) STAINLESS STEEL 316 Used for distance amplitude correction, sensitivity levels and flaw depth information. 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. Geometry: Contains six 3/64" diameter side-drilled through-holes at distances of .25" to 2.75" in .25" increments. MTDs are engraved near both scan edges on one face. Dimensions: 12.000" x 3.000" x 1.250". Material: STAINLESS STEEL 316.

Navships Calibration Test Block (Inch Version) TITANIUM Used for distance amplitude correction, sensitivity levels and flaw depth information. 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. Geometry: Contains six 3/64" diameter side-drilled through-holes at distances of .25" to 2.75" in .25" increments. MTDs are engraved near both scan edges on one face. Dimensions: 12.000" x 3.000" x 1.250". Material: TITANIUM.

Navships Calibration Test Block (Inch Version) ALUMINUM 7075-T6 Used for distance amplitude correction, sensitivity levels and flaw depth information. 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. Geometry: Contains six 3/64" diameter side-drilled through-holes at distances of .25" to 2.75" in .25" increments. MTDs are engraved near both scan edges on one face. Dimensions: 12.000" x 3.000" x 1.250". Material: ALUMINUM 7075-T6.

Navships Calibration Test Block (Inch Version) INCONEL 625 Used for distance amplitude correction, sensitivity levels and flaw depth information. 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. Geometry: Contains six 3/64" diameter side-drilled through-holes at distances of .25" to 2.75" in .25" increments. MTDs are engraved near both scan edges on one face. Dimensions: 12.000" x 3.000" x 1.250". Material: INCONEL 625.

Navships Calibration Test Block (Inch Version) MONAL 800 Used for distance amplitude correction, sensitivity levels and flaw depth information. 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. Geometry: Contains six 3/64" diameter side-drilled through-holes at distances of .25" to 2.75" in .25" increments. MTDs are engraved near both scan edges on one face. Dimensions: 12.000" x 3.000" x 1.250". Material: MONAL 800.