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National Stock Number:
5310-01-593-6795
Federal Supply Class:
5310
National Item Identification Number:
015936795
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:
| BACW10DS4U | 81205 | THE BOEING COMPANY | | BACW10DS4U | Z0HA9 | BOEING DEFENCE AUSTRALIA |
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Techincal Specification:
| MATERIAL | IRON ALLOY 660 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.254 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.490 INCHES NOMINAL | | OVERALL HEIGHT | 0.027 INCHES MINIMUM AND | | 0.035 INCHES MAXIMUM | | MINOR THICKNESS | 0.010 INCHES MINIMUM AND | | 0.012 INCHES MAXIMUM | | RECESS DIAMETER | 0.300 INCHES NOMINAL | | RECESS DEPTH | 0.015 INCHES MINIMUM AND | | 0.025 INCHES MAXIMUM | | RECESS ANGLE | 45.0 DEGREES MINIMUM AND | | 50.0 DEGREES MAXIMUM |
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