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National Stock Number:
5310-00-515-8766
Federal Supply Class:
5310
National Item Identification Number:
005158766
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:
| 5158766 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| HOLE DIAMETER | 1.016 INCHES MINIMUM AND 1.021 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.257 INCHES MINIMUM AND 1.262 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.0620 INCHES MINIMUM AND 0.0627 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1035 OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 1.078 INCHES MINIMUM AND 1.083 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 32.0 MICROINCHES BOTTOM | | SURFACE FINISH | 32.0 MICROINCHES OUTER | | SURFACE FINISH | 32.0 MICROINCHES TOP |
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