5120-00-520-3543 WRENCH,BOX Index 5340-00-520-3550 PLATE,MENDING

National Stock Number:
5310-00-520-3548

Federal Supply Class:
5310

National Item Identification Number:
005203548

Description:
WASHER,CONVEX

Detail:
A WASHER WHICH IS ROUND WITH A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS SMOOTH, FLAT, AND UNBROKEN, THE OTHER BEARING SURFACE IS SMOOTH, UNBROKEN, AND IS RAISED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONCAVE. EXCLUDES BEARING, WASHER THRUST.


Manufacturer Information:
520354819200US ARMY ARDEC RDECOM


Techincal Specification:
HARDNESS RATING60.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM
HOLE DIAMETER0.316 INCHES NOMINAL
OUTSIDE DIAMETER0.656 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.375 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORCONVEX
SURFACE FINISH125.0 MICROINCHES ALL SURFACES


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