5310-01-191-2518 WASHER,RECESSED Index 5310-01-191-2520 WASHER,SHOULDERED AND RECESSED

National Stock Number:
5310-01-191-2519

Federal Supply Class:
5310

National Item Identification Number:
011912519

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:
75A732269-200976301THE BOEING COMPANY


Techincal Specification:
MATERIALCOPPER ALLOY 172 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-530,TEMPER H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORRECESSED
HOLE DIAMETER1.125 INCHES MINIMUM AND
1.138 INCHES MAXIMUM
OUTSIDE DIAMETER1.700 INCHES NOMINAL
RECESS DIAMETER1.510 INCHES MINIMUM AND
1.530 INCHES MAXIMUM
MATERIAL THICKNESS0.080 INCHES NOMINAL
RECESS ANGLE89.0 DEGREES MINIMUM AND
91.0 DEGREES MAXIMUM
SPECIAL FEATURESOUTSIDE RIGHT CORNER CHAMFER ANGLE 29 DEG MIN,31 DEG MAX


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