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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 I, Class 3

Lube Description

None

Internal Thread Lock

No

Internal Thread Size

0.3125-24 UNJF-3B

External Thread Size

0.5000-13 UNC-2A

Modified Minor Diameter

0.440/0.432

Shear Engagement Area (in²) Ref.

0.3588

C DIA ±.005

0.316

C'Bore Depth ±.010

0.070

L ±.010

0.437

Tap Drill Diameter

0.457/0.452

C'Sink Diameter
+.010
-.000

0.510

Thread Tap Size

0.5000-13 UNC-2B

Thread Tap Depth Min

0.500

Installation Tool Part Number

THD 524L

Removal Drill Size

0.406

Drill Depth ±.010

0.1875