Self-locking nutplates (MS21047, MS21059, MS21069, MS21078; rivetless ForceTec) tooling, gauges and removal
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By diameter
| Sizes | Published tool | Source |
|---|---|---|
| Riveted: nutplate drill (two holes at once) and rivets per the design; rivetless ForceTec: FTI mandrel, split sleeve and puller | ||
Tools, heads, adapters and gaugesCited tables
No published tool-by-size table: the MS sheets size the rivet holes but name neither rivet nor tool, and FTI's ForceTec tool numbers are behind its technical library login.
Installation tools
Nutplate drill motor
Drill motor that drills both rivet holes at once
"Special drill motors that drill two holes at the same time are used for the installation of nutplates. By drilling two holes at the same time, the distance between the holes is fixed and the holes line up perfectly with the holes in the nutplate." No part number is given.
FAA-H-8083-31B (AMT Handbook, Airframe), p.4-15, Nutplate drill ↗
ForceTec mandrel and split sleeve
Mandrel / sleeve assembly (ForceTec)
hydraulic
Steps: "Slide the split sleeve onto the mandrel"; "Insert the mandrel/sleeve assembly through the retainer"; "Activate the hydraulic puller unit". FTI "also offers a sleeveless method and an accelerated installation method".
FTI ForceTec brochure, p.4, ForceTec Installation Procedure; Special Installations; Trimming Tools ↗
ForceTec Right Angle PullerRight angle
Right Angle Puller "for holes in pockets or areas with limited front-side access"
FTI ForceTec brochure, p.4, ForceTec Installation Procedure; Special Installations; Trimming Tools ↗
ForceTec Hand Puller
Hand Puller "for quick field service installations"
hand
FTI ForceTec brochure, p.4, ForceTec Installation Procedure; Special Installations; Trimming Tools ↗
Adapters
ForceTec Offset AdapterOffset
Offset Adapter "for installs in tight and restricted areas"
FTI ForceTec brochure, p.4, ForceTec Installation Procedure; Special Installations; Trimming Tools ↗
Grip, hole and inspection gauges
Figure 3 functional alignment gage
Plate nut functional alignment gage
Checks: "Plate nut rivet-bolt hole spacing may be determined by suitable variable gages or by means of a functional alignment gage specified in Figure 3." (a test-method gage for the nut, MIL-DTL-25027H 4.5.1.2)
MIL-DTL-25027H (self-locking nuts), p.9, 31, 4.5.1.2; Figure 3 ↗
Accessorys
ForceTec trimming tool
Trimming tool
"FTI offers a trimming tool to shave excess barrel material after installation to ensure flushness."
FTI ForceTec brochure, p.4, ForceTec Installation Procedure; Special Installations; Trimming Tools ↗
Tooling source notes
- MS33588E req. 3: "SELF-LOCKING PLATE NUTS SHALL BE ATTACHED TO THE STRUCTURE IN A POSITIVE MANNER TO ELIMINATE THE POSSIBILITY OF THEIR ROTATING OR MISALIGNING DURING INSTALLATION AND REMOVAL OF THE BOLTS OR SCREWS."Government document, not interview: MS33588E sheet 1.
Removal (drill-out)None published
No published removal procedure found; follow the manufacturer's instructions. Manufacturer page ↗
Sources
Tool tables are the manufacturer's as published in the cited revision; confirm current tool PNs with the manufacturer before purchase. Not a certified process authority: install and remove per the OEM process specification.
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