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National Stock Number:
5310-00-518-6271
Federal Supply Class:
5310
National Item Identification Number:
005186271
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:
| 5186271 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| HOLE DIAMETER | 1.249 INCHES MINIMUM AND 1.251 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.131 INCHES MINIMUM AND 0.136 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1021 OR STEEL COMP 1022 OVERALL | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | RECESS DIAMETER | 1.312 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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