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National Stock Number:
5310-00-052-4411
Federal Supply Class:
5310
National Item Identification Number:
000524411
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:
| BACW10AKC4 | 81205 | THE BOEING COMPANY | | BACW10BN4C | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.491 INCHES NOMINAL | | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND 0.088 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | RECESS ANGLE | 80.000 DEGREES MINIMUM AND 100.000 DEGREES MAXIMUM | | RECESS DIAMETER | 0.334 INCHES MINIMUM AND 0.350 INCHES MAXIMUM | | SPECIFICATION/STANDARD DATA | 81205-BACW10AK MANUFACTURERS STANDARD | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | CADMIUM OVERALL |
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