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National Stock Number:
5310-00-125-1839
Federal Supply Class:
5310
National Item Identification Number:
001251839
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:
| F302396 | K0289 | BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES | | F302396 | U9143 | BAE SYSTEMS (OPERATIONS) LIMITED |
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Techincal Specification:
| HOLE DIAMETER | 0.250 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.375 INCHES NOMINAL | | MATERIAL THICKNESS | 0.064 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | RECESS ANGLE | 120.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.312 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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