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KNH, MS51831, NAS1395 Series
Unit of Measure

Insert Type

Heavy Duty

Material

A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 140 KSI Minimum Tensile Strength

Finish Description

Silver Plate per ASTM B 700

Lube Description

Dry Film Lubricant per AS5272, Type 1

Internal Thread Lock

No

Internal Thread Size

0.1900-32 UNJF-3B

External Thread Size

0.3750-16 UNC-2A

Modified Minor Diameter

0.320/0.312

Shear Engagement Area (in²) Ref.

0.1901

C DIA ±.005

0.196

C'Bore Depth ±.010

0.070

L ±.010

0.312

Tap Drill Diameter

0.336/0.331

C'Sink Diameter
+.010
-.000

0.385

Thread Tap Size

0.3750-16 UNC-2B

Thread Tap Depth Min

0.370

Installation Tool Part Number

THD 1032L

Removal Drill Size

0.281

Drill Depth ±.010

0.1250