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National Stock Number:
5310-00-869-6082
Federal Supply Class:
5310
National Item Identification Number:
008696082
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:
| 775142-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| MATERIAL | STEEL COMP 301 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.260 INCHES MINIMUM AND | | 0.267 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.580 INCHES NOMINAL | | OVERALL HEIGHT | 0.120 INCHES NOMINAL | | RECESS DEPTH | 0.060 INCHES NOMINAL | | MATERIAL THICKNESS | 0.025 INCHES NOMINAL | | HEAT TREATMENT | COLD DRAWN 1/4 HARD CONDITION | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 98897 | | DESIGN CONTROL REFERENCE | 775142-1 |
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