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MS/NAS Style - A286 CRES Keylocking Threaded Inserts
Extra Heavy Duty- Inch

Material: Insert - A286 CRES (140 KSI Min)
  Keys- 302 CRES
Finish: Passivated
Tolerances: ±.010 inch unless specified otherwise
Internal Threads: Per SAE AS8879
Dimensions: All dimensions below are in inches
Keys: Inserts with an internal thread size of 1/4 and larger are furnished with 4 locking keys. Smaller sizes have 2 locking keys.
Material Identification Mark: One line on top of insert
Lubrication: Dry Film Lube on Self-Locking Inserts only
Performance: MIL-I-45914A (MS51832)
 

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To request a quote, Click on the MS or Acme part number in the chart below.

Insert Installation/
Removal
Non-Locking Self-Locking Dimensions
MS/NAS ACME Part Number MS/NAS ACME Part Number Internal
Thread
Class 3B
External
Thread (Mod.)
Class 2A
H
Length
J
±.030
K
C'Bore
Depth
Install Tool
Part No.
MS51832CA101 217-078333 MS51832CA101L 217-079333 10 - 24 7/16 - 14 .312 .22 .07 217-072628
MS51832CA201 217-078533 MS51832CA201L 217-079533 10 - 32 217-072629
MS51832CA102 217-078334 MS51832CA102L 217-079334 1/4 - 20 1/2 - 13 .375 .22 .07 217-072630
MS51832CA202 217-078534 MS51832CA202L 217-079534 1/4 - 28 217-072631
MS51832CA103 217-078335 MS51832CA103L 217-079335 5/16 - 18 9/16 - 12 .437 .22 .07 217-072632
MS51832CA203 217-078535 MS51832CA203L 217-079535 5/16 - 24 217-072633
MS51832CA104 217-078336 MS51832CA104L 217-079336 3/8 - 16 5/8 - 11 .500 .25 .07 217-072634
MS51832CA204 217-078536 MS51832CA204L 217-079536 3/8 - 24 217-072635
MS51832CA105 217-078337 MS51832CA105L 217-079337 7/16 - 14 11/16 - 11NS .625 .28 .10 217-072636
MS51832CA205 217-078537 MS51832CA205L 217-079537 7/16 - 20 217-072637
MS51832CA106 217-078338 MS51832CA106L 217-079338 1/2 - 13 13/16 - 16 .688 .28 .10 217-072638
MS51832CA206 217-078538 MS51832CA206L 217-079538 1/2 - 20 217-072639
MS51832CA107 217-078339 MS51832CA107L 217-079339 9/16 - 12 7/8 - 14 .812 .32 .10 217-072640
MS51832CA207 217-078539 MS51832CA207L 217-079539 9/16 - 18 217-072641
MS51832CA108 217-078340 MS51832CA108L 217-079340 5/8 - 11 1" - 12 .875 .33 .10 217-072642
MS51832CA208 217-078540 MS51832CA208L 217-079540 5/8 - 18 217-072643
MS51832CA109 217-078341 3/4 - 10 1-1/4 - 12 1.125 .10 217-072644
MS51832CA209 217-078541 3/4 - 16 217-072645
MS51832CA109L 217-079341 3/4 - 10 1.250 .49 217-072644
MS51832CA209L 217-079541 3/4 - 16 217-072645
MS51832CA110 217-078342 7/8 - 9 1-3/8 - 12 1.250 .10 217-072646
MS51832CA210 217-078542 7/8 - 14 217-072647
MS51832CA110L 217-079342 7/8 - 9 1.375 .49 217-072646
MS51832CA210L 217-079542 7/8 - 14 217-072647
MS51832CA111 217-078343 1" - 8 1-1/2 - 12 1.375 .10 217-072648
MS51832CA211 217-078543 1" - 12 217-072649
MS51832CA111L 217-079343 1" - 8 1.500 .55 217-072648
MS51832CA211L 217-079543 1" - 12 217-072649
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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