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Atlas/ TSOA/ TSO-C148

FAA · TSO Authorization

TSO-C148

AIRCRAFT MECHANICAL FASTENERS

Current Issued 01/30/2026 PDF ↗

What is a TSOA?

A Technical Standard Order Authorization is the FAA's permit for a manufacturer to produce equipment that meets a specific TSO standard (avionics, seats, parachutes, GPS receivers, etc.). The TSO sets the performance requirement; the TSOA is the holder's authorization to deliver compliant parts.

Authorized parts (1)

  • Assembly, Hi-Lok Nut, Special Application, Alloy Steel, 1/16 Grip Variation

    HL1285N(*)