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National Stock Number: 5310-01-179-9805
Federal Supply Class: 5310
National Item Identification Number: 011799805
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:
F.328694 | K0289 | BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES | F.328694 | U9143 | BAE SYSTEMS (OPERATIONS) LIMITED | F328694 | K1987 | BAE SYSTEMS PLC |
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Techincal Specification:
HOLE DIAMETER | 0.406 INCHES NOMINAL | MATERIAL THICKNESS | 0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | PROPRIETARY CHARACTERISTICS | PACS | OUTSIDE DIAMETER | 0.550 INCHES NOMINAL | RECESS ANGLE | 90.0 DEGREES NOMINAL | RECESS DIAMETER | 0.470 INCHES NOMINAL | STYLE DESIGNATOR | RECESSED |
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