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- Dimensional Conformance. Direct tension indicators shall have the following characteristics inspected to ASME B18.18.2, page M-11, to the inspection levels shown:
Characteristic
Inside Diameter - B (Inspection Level)
Protrusion tangential diameter - B (Inspection Level)
Visual - C (Inspection Level)
If verifiable in-process inspection is used - Nominal direct tension indicator sizes are intended for use with fasteners of the same nominal diameter.
Unit of Measure
Specifications
Product |
N/A Structural Bolting |
Unit of Measure |
N/A English |
Type |
N/A Type A490 |
| Direct Tension Indicator Size1 | N/A 7/8 in |
Min. Inside Dia. (A) |
N/A 0.917 in |
Max. Inside Dia. (A) |
N/A 0.921 in |
Max. Protrusion Tangential Dia. (B) |
N/A 1.294 in |
Min. Outside Dia. (C) |
N/A 1.980 in |
Max. Outside Dia. (C) |
N/A 2.000 in |
No. of Protrusions (Equally Spaced) |
N/A 6 |
Min. Thickness without Protrusion |
N/A 0.158 in |
Max. Thickness with Protrusion |
N/A 0.260 in |
- 1 Nominal direct tension indicator sizes are intended for use with fasteners of the same nominal diameter.
