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KNHS, MS51834 Series
Unit of Measure

Stud Type

Heavy Duty

Material

A286 CRES per AMS 5737, 160 KSI Minimum Tensile Strength

Finish Description

Passivate per AMS 2700

Nut End Thread Size

0.8750-9 UNJC-3A

Nut End Thread Length ± 0.030

1.250

Drill Option

Drilled Hole in Nut End

Drilled Hole D ± .020

0.270

Drilled Hole Diameter ± 0.010

0.141

Stud End Thread Size (Modified Minor Dia)

1.250-12 UN-2A

Shear Engagement Area (in²) Ref.

3.1370

L ± 0.010

1.250

Tap Drill Diameter

1.186-1.192

C´ Sink Diameter +0.010 - 0.000

1.270

Thread Tap Size

1.250-12 UN-2A

Minimum Full Thread Depth

1.44

Hand Installation Tool Part Number

THS 14

Maximum NL Length Utilized by Hand Tool

3.000

Removal Drill Depth ±.010

0.3130

Notes

Substitute the Nut End Length (NL), in 1/16 inch increments, for the parentheses in the part number. For example, KNHS1409JTX-22D indicates a stud with a nut end length (NL) of "22" = 22/16 = 1-3/8 or 1.375 in

Removal Drill Size

1.0940