5310-01-146-9908 WASHER,LOCK Index 5310-01-146-9910 WASHER,RECESSED

National Stock Number:
5310-01-146-9909

Federal Supply Class:
5310

National Item Identification Number:
011469909

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:
SM-C-87553680063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
OUTSIDE DIAMETER1.060 INCHES NOMINAL
OVERALL HEIGHT0.063 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 OVERALL
RADIUS0.030 INCHES MAXIMUM
RECESS DIAMETER0.960 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPRIMER OVERALL


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