5310-01-208-0289 WASHER,FLAT Index 5935-01-208-0291 SOCKET,PLUG-IN ELECTRONIC COMPON

National Stock Number:
5310-01-208-0290

Federal Supply Class:
5310

National Item Identification Number:
012080290

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:
BACW10BN14AC10630ANILLO INDUSTRIES INC
BACW10BN14AC17765THE BOEING COMPANY
BACW10BN14AC81205THE BOEING COMPANY


Techincal Specification:
HOLE DIAMETER0.875 INCHES MINIMUM AND 0.886 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4, T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.083 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
MATERIALALUMINUM ALLOY 2024 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER1.645 INCHES MINIMUM AND 1.665 INCHES MAXIMUM
RECESS ANGLE90.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
RECESS DIAMETER1.020 INCHES MINIMUM AND 1.040 INCHES MAXIMUM
STYLE DESIGNATORRECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL


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