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National Stock Number:
5310-01-205-2842
Federal Supply Class:
5310
National Item Identification Number:
012052842
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:
| 51177-1-103 | 98425 | ERIE ENGINEERED PRODUCTS, INC. |
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Techincal Specification:
| HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.875 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 2011 OVERALL | | RECESS ANGLE | 82.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.435 INCHES MINIMUM AND 0.444 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL |
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