ASME B18.16.6 — Nylon Insert Locknuts (Prevailing-Torque Type)

Standard: ASME B18.16.6

ASME B18.16.6 covers inch-series nylon insert locknuts — hex nuts with a captive nylon collar that grips the bolt thread and resists loosening.

What It Covers

  • Nylon insert design
  • Prevailing torque requirements
  • Grades and finishes
  • Reuse and temperature limits

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