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MS/NAS Style - A286 CRES Keylocking Threaded Inserts
Heavy Duty- 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 millimeters
Keys: Inserts with an internal thread size of M6 and smaller are furnished with 2 locking keys. Larger sizes have 4 locking keys.
Material Identification Mark: One line on top of insert
Lubrication: Dry Film Lube on Self-Locking Inserts only
Performance: NA0151
 

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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 4H5H
External
Thread
Class 4h
H
Length
J
±.076
K
C'Bore
Depth
Install Tool
Part No.
NA0151-040 217-078363 NA0151E040 217-079363 M4 x 0.7 M8 x 1.25 8.0 5.00 1.27 217-072663
NA0151-050 217-078364 NA0151E050 217-079364 M5 x 0.8 M10 x 1.25 10.0 5.50 1.27 217-072664
NA0151-060 217-078365 NA0151E060 217-079365 M6 x 1.0 M12 x 1.25 12.0 6.46 1.78 217-072665
217-078366 217-079366 M8 x 1.25 M14 x 1.5 14.0 6.46 1.78 217-072666
NA0151-080 217-078566 NA0151E080 217-079566 M8 x 1.0
217-078367 217-079367 M10 x 1.5 M16 x 1.5 16.0 6.46 2.29 217-072667
NA0151-100 217-078567 NA0151E100 217-079567 M10 x 1.25
217-078369 217-079369 M12 x 1.75 M18 x 1.5 18.0 7.23 2.29 217-072669
NA0151-120 217-078569 NA0151E120 217-079569 M12 x 1.25
217-078370 217-079370 M14 x 2.0 M20 x 1.5 20.0 7.73 2.79 217-072670
NA0151-140 217-078570 NA0151E140 217-079570 M14 x 1.5
217-078371 217-079371 M16 x 2.0 M 22 x 1.5 22.0 8.50 2.79 217-072671
NA0151-160 217-078571 NA0151E160 217-079571 M16 x 1.5
NA0151-180 217-078572 NA0151E180 217-079572 M18 x 1.5 M24 x 2.0 24.0 9.25 2.79 217-072672
217-078373 217-079373 M20 x 2.5 M30 x 2.0 30.0 12.51 2.79 217-072673
NA0151-200 217-078573 NA0151E200 217-079573 M20 x 1.5
NA0151-220 217-078574 NA0151E220 217-079574 M22 x 1.5 M32 x 2.0 32.0 12.51 2.79 217-072674
217-078375 217-079375 M24 x 3.0 M33 x 2.0 33.0 13.97 3.81 217-072675
NA0151-240 217-078575 NA0151E240 217-079575 M24 x 2.0
* Thread Class on M 4 and M 5 Internal Threads is 4H6H
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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