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

FINISH : Dry film lubricant.

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 0.281 Inch

C ±.002

 N/A 0.223 Inch

D - MAX

 N/A 0.183 Inch

D - MIN

 N/A 0.178 Inch

F ±.003

 N/A 0.040 Inch

G - REF

 N/A 0.198 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 0.218-0.220 Inch

R

 N/A 0.419 Inch

S +.000 / -.002

 N/A 0.214 Inch

T

 N/A 0.281 Inch

U +.003 / -.000

 N/A 0.208 Inch

Approx. Weight

 N/A 0.090 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 450°F - 235°C

Thread

 N/A 0.1640-32 UNJC-3B