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National Stock Number:
5310-00-052-1253
Federal Supply Class:
5310
National Item Identification Number:
000521253
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:
| 2L6421-1 | 78062 | SARGENT AEROSPACE & DEFENSE, LLC | | 2L6421-1 | 86831 | SAFRAN ELECTRONICS & DEFENSE, AVIONICS USA, LLC |
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Techincal Specification:
| HEAT TREATMENT | T-351 SOLUTION HEAT TREATED, COLD WORKED, STRESS RELIEVED BY STRETCHING | | HOLE DIAMETER | 1.063 INCHES MINIMUM AND 1.067 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.000 INCHES NOMINAL | | OVERALL HEIGHT | 0.125 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.125 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | RECESS DEPTH | 0.035 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL |
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