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ASTM F959-01a

Historical Revision

Standard Specification for Compressible-Washer-Type Direct Tension Indicators for Use with Structural Fasteners

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1.1 This specification covers the requirements for compressible-washer-type direct tension indicators capable of indicating the achievement of a specified minimum bolt tension in a structural bolt.

1.2 Two types of direct tension indicators in nominal diameter sizes 1/2 through 1 1/2 in. are covered:

1.2.1 Type 325—direct tension indicators for use with Specification A 325 bolts, and

1.2.2 Type 490—direct tension indicators for use with Specification A 490 bolts.

1.3 Direct tension indicators are intended for installation under either a bolt head or a hardened washer. (See Research Council on Structural Connections: Specification for Structural Joints Using ASTM A 325 or A 490 Bolts.)

1.4 The following precautionary statement pertains only to the test method portions, Section and of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number F959
Publication Date April 10, 2002
Language en - English
Page Count 4
Revision Level 01a
Supercedes
Committee F16.02
Publish Date Document Id Type View
May 1, 2015 F0959-15 Revision
March 1, 2013 F0959-13 Revision
March 15, 2009 F0959-09 Revision
Dec. 1, 2007 F0959-07A Revision
April 1, 2007 F0959-07 Revision
May 1, 2006 F0959-06 Revision
April 1, 2005 F0959-05A Revision
Jan. 1, 2005 F0959-05 Revision
Aug. 1, 2004 F0959-04 Revision
April 10, 2002 F0959-99A Revision
April 10, 2002 F0959-02 Revision
April 10, 2002 F0959-01A Revision
April 10, 2002 F0959-01 Revision