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National Stock Number:
5310-00-078-8848
Federal Supply Class:
5310
National Item Identification Number:
000788848
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:
| 2660566-501 | 18355 | THE BOEING COMPANY | | 2660566-501 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 2.815 INCHES MINIMUM AND 2.825 INCHES MAXIMUM | | OUTSIDE DIAMETER | 4.094 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 TY 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 954 OVERALL | | RECESS DIAMETER | 3.006 INCHES NOMINAL | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | RECESS DEPTH | 0.093 INCHES MINIMUM AND 0.108 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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