29 C.F.R. § 1919.17 Exemptions from heat treatment.
Title 29 - Labor
Gear made of steel, or gear which contains (as in ball bearings swivels), or is permanently attached to (as with blocks) equipment made of materials which cannot be subjected to heat treatment shall be exempt from the requirements of §1919.16. Such gear, however, shall be thoroughly examined in the manner described in §1919.15(c).
Title 29: Labor
PART 1919—GEAR CERTIFICATION
Subpart D—Certification of Vessels' Cargo Gear
§ 1919.17 Exemptions from heat treatment.