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MATERIAL: Alloy steel, heat treated.

FINISH : Cadmium Plate, AMS-QQ-P-416, Type II, Class 2.

PERFORMANCE : Torque per NASM 25027.

THREADS: In accordance with AS-8879 before lubrication.

MARKING: Only ø - 3 and - 4 : SD on the area indicated on the drawing.

APPLICATION : Type DA, DB and DC parts are particularly suited for use in applications involving installations in thin Aluminum or soft steel sheets or plates having small mounting areas making the use of a miniature fixed type nut desireable. The adaptability of two shaft lengths to many sheet thicknesses is worth of note since it minimizes nut stocking requirements for numerous applications.

MOUNTING RECOMMENDATIONS
  • Respect carefully the installation hole diameter tolerance.
  • The nut and installation hole diameter axis must be perpendicular to the sheet surface.
Unit of Measure

A ±0,10

 N/A 0.156 Inch

C ±.002

 N/A 0.129 Inch

D - MAX

 N/A 0.101 Inch

D - MIN

 N/A 0.096 Inch

F ±.003

 N/A 0.060 Inch

G - REF

 N/A 0.109 Inch

H - MAX

 N/A 0.095 Inch

M - REF

 N/A 0.060 Inch

V ±.005

 N/A 0.020 Inch

Q - Hole Diameter

 N/A 0.124-0.126 Inch

R

 N/A 0.307 Inch

S +.000 / -.002

 N/A 0.120 Inch

T

 N/A 0.179 Inch

U +.003 / -.000

 N/A 0.119 Inch

Approx. Weight

 N/A 0.020 lb/100

Thread Type

 N/A Unified

Configuration 1

 N/A Clinch

Configuration 2

 N/A Fixed

Lock

 N/A Crimp Lock

Simplified Material

 N/A Alloy Steel

Strength

 N/A 125KSI - 900Mpa

Temperature

 N/A 450°F - 235°C

Thread

 N/A 0.0860-56 UNJC-3B