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KNH, MS51831, NAS1395 Series
Unit of Measure

Insert Type

Heavy Duty

Material

303 CRES per AMS 5640 or ASTM-A-582, or 303SE per AMS 5640, AMS 5738 or ASTM-A-582

Finish Description

Cadmium Plate per AMS-QQ-P-416, Type II, Class 3

Lube Description

None

Internal Thread Lock

No

Internal Thread Size

0.6250-18 UNJF-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 1018L

Removal Drill Size

0.781

Drill Depth ±.010

0.1875