5315-01-434-4272 PIN,SPRING Index 5310-01-434-4274 WASHER,RECESSED

National Stock Number:
5310-01-434-4273

Federal Supply Class:
5310

National Item Identification Number:
014344273

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:
BACW10AW-C307AS81205THE BOEING COMPANY


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TY1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
HOLE DIAMETER0.488 INCHES MINIMUM AND
0.498 INCHES MAXIMUM
OUTSIDE DIAMETER0.803 INCHES MINIMUM AND
0.823 INCHES MAXIMUM
RECESS DIAMETER0.538 INCHES MINIMUM AND
0.548 INCHES MAXIMUM
MATERIAL THICKNESS0.040 INCHES NOMINAL
RECESS ANGLE90.0 DEGREES NOMINAL


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