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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 AMS 2410

Lube Description

Dry Film Lubricant per AS5272, Type 1

Internal Thread Lock

No

Internal Thread Size

0.6250-11 UNJC-3B

External Thread Size

0.8750-14 UNF-2A

Modified Minor Diameter

0.815/0.807

Shear Engagement Area (in²) Ref.

1.4866

C DIA ±.005

0.640

C'Bore Depth ±.010

0.100

L ±.010

0.875

Tap Drill Diameter

0.833/0.827

C'Sink Diameter
+.010
-.000

0.885

Thread Tap Size

0.8750-14 UNF-2B

Thread Tap Depth Min

1.000

Installation Tool Part Number

THD 1011L

Removal Drill Size

0.781

Drill Depth ±.010

0.1875