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National Stock Number:
5310-00-209-2471
Federal Supply Class:
5310
National Item Identification Number:
002092471
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:
| 2W10-5 | 43999 | THE BOEING COMPANY | | 2W10-5 | 88310 | SIEMENS-ALLIS INC MEDIUM MOTOR-GENERATOR DIV | | 2W10-5 | 89372 | ROCKWELL INTERNATIONAL CORP NORTH AMERICAN AIRCRAFT OPNS |
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Techincal Specification:
| HOLE DIAMETER | 0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.583 INCHES MINIMUM AND 0.603 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/12 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.068 INCHES MINIMUM AND 0.076 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DEPTH | 0.040 INCHES MINIMUM AND 0.041 INCHES MAXIMUM | | RECESS DIAMETER | 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM | | SPECIAL FEATURES | DYE RED | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OR QQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
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