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National Stock Number:
5310-00-385-6022
Federal Supply Class:
5310
National Item Identification Number:
003856022
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.
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Manufacturer Information:
| 68A410655-2001 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 630 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PAINT OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MMS-420,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | COLOR | WHITE OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 0.740 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.060 INCHES NOMINAL | | MATERIAL THICKNESS | 0.1235 INCHES MINIMUM AND | | 0.1240 INCHES MAXIMUM | | TOP RECESS DIAMETER | 0.760 INCHES MINIMUM AND | | 0.780 INCHES MAXIMUM | | BOTTOM RECESS DIAMETER | 0.760 INCHES MINIMUM AND | | 0.780 INCHES MAXIMUM | | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES TOP | | 63.0 MICROINCHES BOTTOM | | 63.0 MICROINCHES INNER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 76301 | | DESIGN CONTROL REFERENCE | 68A410655-2001 |
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