5310-01-025-3487 WASHER,RECESSED Index 5310-01-025-3489 WASHER,RECESSED

National Stock Number:
5310-01-025-3488

Federal Supply Class:
5310

National Item Identification Number:
010253488

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:
140-007-21-19C497499BELL TEXTRON INC


Techincal Specification:
MATERIALSTEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-8837,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED BOTH SIDES
HOLE DIAMETER0.328 INCHES MINIMUM AND
0.338 INCHES MAXIMUM
OUTSIDE DIAMETER0.594 INCHES NOMINAL
MATERIAL THICKNESS0.125 INCHES NOMINAL
TOP RECESS DIAMETER0.398 INCHES MINIMUM AND
0.408 INCHES MAXIMUM
BOTTOM RECESS DIAMETER0.398 INCHES MINIMUM AND
0.408 INCHES MAXIMUM
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS ANGLE90.0 DEGREES NOMINAL
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
HEAT TREATMENTAS FABRICATED


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