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MS/NAS Style - A286 CRES Keylocking Threaded Inserts
Miniature - Metric

Material: Insert - A286 CRES (140 KSI Min)
  Keys- 302 CRES
Finish: Passivated
Tolerances: ±.25 mm unless specified otherwise
Internal Threads: Per Fed Std H28/21, MJ Form
Dimensions: All dimensions below are in metric
Keys: Miniature inserts are furnished with 2 locking keys
Material Identification Mark: One line on top of insert
Lubrication: Dry Film Lube on Self-Locking Inserts only
Performance: NA0147
 

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Insert Installation/
Removal
Non-Locking Self-Locking Dimensions
MS/NAS ACME Part Number MS/NAS ACME Part Number Internal
Thread
Class 4H6H
External
Thread
Class 4h
G
Thread
H
Install Tool
Part No.
NA0147-020 217-078382 217-079382 M2x0.4 M4x0.7 2.20 3.00 217-072682
NA0147-025 217-078383 217-079383 M2.5x0.45 M4.5x0.75 2.70 3.81 217-072683
NA0147-030 217-078384 NA0147E030 217-079384 M3x0.5 M5x0.8 3.10 4.25 217-072684
NA0147-040 217-078386 NA0147E040 217-079386 M4x0.7 M6x0.75 4.11 5.25 217-072686
For inserts with the following options, add the letter code shown to the end of the Acme part number:
S — Silver Plate per AMS 2410
SN — Silver Plate Only, No Dry Film Lube (Self-Locking Inserts Only
DFL — Dry Film Lube (Non-Locking INserts Only)
K — Self Broaching Keys



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