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MATERIAL: Alloy steel, heat treated.

FINISH : Cadmium Plate plus Dry film lubricant, meets salt spray requirements of 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 0.234 Inch

C ±.002

 N/A 0.192 Inch

D - MAX

 N/A 0.157 Inch

D - MIN

 N/A 0.152 Inch

F ±.003

 N/A 0.040 Inch

G - REF

 N/A 0.173 Inch

H - MAX

 N/A 0.130 Inch

M - REF

 N/A 0.040 Inch

V ±.005

 N/A 0.025 Inch

Q - Hole Diameter

 N/A 0.187-0.189 Inch

R

 N/A 0.307 Inch

S +.000 / -.002

 N/A 0.183 Inch

T

 N/A 0.243 Inch

U +.003 / -.000

 N/A 0.183 Inch

Approx. Weight

 N/A 0.060 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 0.1380-32 UNJC-3B