This Standard provides requirements for the design, manufacture and testing of hoisting equipment suitable for use in drilling and production operations. This specification is applicable to numerous drilling and production hoisting equipment, some of which include: hoisting sheaves,travelling and hook blocks; elevator links, casing elevators, sucker rod elevators, sucker rod elevators, rotary and power swivels, drilling hooks, wireline anchors, drill string motion compensators, and safety clamps.

This edition of Spec 8C is the modified national adoption of ISO 13535:2000, Petroleum and natural gas industries-Drilling and production equipment-Hoisting equipment. This specification contains the API Monogram Annex as part of the U.S. national adoption.