This specification covers forged turnbuckles, with and without jam nuts, and shackles for guardrail, sign supports, and similar uses. These items are considered to be available commercially. Not all classes, styles, and types of turnbuckles and shackles that are available commercially are covered by this specification.
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AASHTO M 269-96 (2022)
Original price was: $97.00.$48.00Current price is: $48.00.
Standard Specification for Turnbuckles and Shackles
American Association of State Highway and Transportation Officials , 1996