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Sales Systems Limited Products and Services > Fasteners Reference Guide > Bolts / Screws > Structural Bolting > Compressible Washer - Type Direct Tension Indicators > Item # CWDTIA1311XXX  
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Item # CWDTIA1311XXX, Compressible Washer - Type A490 Direct Tension Indicator, with 1-1/4"


  • 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.




Manufacturer  · Specifications  · Codes and Standards

Manufacturer

Manufacturer
Industrial Fasteners Institute


Specifications

Product
Structural Bolting

Unit of Measure
English

Type
Type A490

Direct Tension Indicator Size1
1-1/4 in

Min. Inside Dia. (A)
1.311 in

Max. Inside Dia. (A)
1.315 in

Max. Protrusion Tangential Dia. (B)
1.800 in

Min. Outside Dia. (C)
2.730 in

Max. Outside Dia. (C)
2.750 in

No. of Protrusions (Equally Spaced)
8

Min. Thickness without Protrusion
0.158 in

Max. Thickness with Protrusion
0.280 in
1 Nominal direct tension indicator sizes are intended for use with fasteners of the same nominal diameter.


Codes and Standards

Codes and Standards
ASME Draft Revision B18.2.6 2003


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