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MATERIAL: Non magnetic, heat and corrosion resistant steel ( A286.) per AMS-5525, 5735 or 5737

FINISH : Silver Plate, AMS 2410.

PERFORMANCE : Torque per NASM 25027.

THREADS: In accordance with AS-8879 before lubrication.

MARKING: Only ø - 3 and - 4 : SD + letter C 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 0.328 Inch

C ±.002

 N/A 0.254 Inch

D - MAX

 N/A 0.215 Inch

D - MIN

 N/A 0.210 Inch

F ±.003

 N/A 0.060 Inch

G - REF

 N/A 0.222 Inch

H - MAX

 N/A 0.130 Inch

M - REF

 N/A 0.060 Inch

V ±.005

 N/A 0.030 Inch

Q - Hole Diameter

 N/A 0.249-0.251 Inch

R

 N/A 0.419 Inch

S +.000 / -.002

 N/A 0.214 Inch

T

 N/A 0.328 Inch

U +.003 / -.000

 N/A 0.232 Inch

Approx. Weight

 N/A 0.120 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 CRES

Strength

 N/A 125KSI - 900Mpa

Temperature

 N/A 800°F - 425°C

Thread

 N/A 0.1900-32 UNJF-3B