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National Stock Number:
5310-00-426-0633
Federal Supply Class:
5310
National Item Identification Number:
004260633
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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Techincal Specification:
| HOLE DIAMETER | 1.031 INCHES MINIMUM AND 1.094 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.219 INCHES MINIMUM AND 3.281 INCHES MAXIMUM | | OVERALL HEIGHT | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | RECESS DIAMETER | 1.453 INCHES NOMINAL | | RECESS ANGLE | 120.000 DEGREES NOMINAL | | RECESS DEPTH | 0.250 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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