5306-00-213-9278 BOLT,INTERNALLY RELIEVED BODY Index 5310-00-213-9288 NUT,PLAIN,ROUND

National Stock Number:
5310-00-213-9281

Federal Supply Class:
5310

National Item Identification Number:
002139281

Description:
WASHER,RECESSED

Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.


Manufacturer Information:
100008332274CIPHER DATA PRODUCTS INC OEM MARKETING DIV


Techincal Specification:
BOTTOM RECESS ANGLE45.0 DEGREES NOMINAL
BOTTOM RECESS DIAMETER0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HOLE DIAMETER0.282 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
OUTSIDE DIAMETER0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM
MATERIALSTEEL COMP 303 OVERALL
STYLE DESIGNATORRECESSED BOTH SIDES
SURFACE TREATMENTCHROMIUM OVERALL
TOP RECESS ANGLE45.0 DEGREES NOMINAL
TOP RECESS DIAMETER0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM


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