Tray Accessories

Advanced Thumbscrew Hold-Downs

Advanced Thumbscrew Hold-Downs

Amphenol CIT’s Advanced Thumbscrew Hold-Downs are the lightweight, high-performance option for when a more advanced hold-down solution is needed. Developed to meet the extreme performance standards of ABS1699, ASNA2168, and RTCA/DO-160, these hold-downs retain equipment even when not fully tightened and provide superior installation force compared to standard military-style hold-downs.


Conforms to:

  • ABS1699
  • ASNA2168
  • RTCA/DO-160

Designed for use with:

  • ARINC 404A
  • ARINC 600
  • ARINC 628
  • ARINC 704A
  • ARINC 738A-1


  • 32 g max


  • Aluminum components with anodized finish
  • Acetal/Delrin
  • RoHS compliant
  • Fasteners - Installation via #6-32 (.138-32) UNC screws using standard tooling

Product Information Resources

Advanced Thumbscrew Hold-Downs Datasheet

More Information

To inquire about Advanced Thumbscrew Hold-Downs available from Amphenol CIT, please fill out the form below, and one of our Sales Engineers will contact you.

"*" indicates required fields

Member of
©2024 Amphenol CIT. All Rights Reserved.
All trademarks, service marks and trade names are property of their respective holding companies.
Amphenol CIT products are subject to U.S. export control regulations.
They may be subject to certain licensing requirements and restricted for export.