close
close
KNH, MS51831, NAS1395 Series
Unit of Measure

Insert Type

Heavy Duty

Material

Chrome Moly Steel, Type 4140 per MIL-S-5626 or Type 8740 per AMS 6322, 125 KSI Minimum Tensile Strength

Finish Description

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

Lube Description

None

Internal Thread Lock

No

Internal Thread Size

0.5000-20 UNJF-3B

External Thread Size

0.6875-11 NS-2A

Modified Minor Diameter

0.625/0.615

Shear Engagement Area (in²) Ref.

0.8884

C DIA ±.005

0.507

C'Bore Depth ±.010

0.100

L ±.010

0.688

Tap Drill Diameter

0.648/0.640

C'Sink Diameter
+.010
-.000

0.700

Thread Tap Size

0.6875-11 NS-2B

Thread Tap Depth Min

0.750

Installation Tool Part Number

THD 820L

Removal Drill Size

0.594

Drill Depth ±.010

0.1875