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National Stock Number:
5310-99-731-5697
Federal Supply Class:
5310
National Item Identification Number:
997315697
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:
| 75A325772 | K0289 | BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES | | 75A325772 | K1987 | BAE SYSTEMS PLC | | 75A325772-2001 | K0289 | BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES | | 75A325772-2001 | K1987 | BAE SYSTEMS PLC | | 75A325772-2001 | U9143 | BAE SYSTEMS (OPERATIONS) LIMITED | | 75A325772 | U9143 | BAE SYSTEMS (OPERATIONS) LIMITED |
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Techincal Specification:
| HOLE DIAMETER | 0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.500 INCHES NOMINAL | | OVERALL HEIGHT | 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | SPECIAL FEATURES | MIN 0.035 IN.,MAX 0.045 IN. DEEP RECESS | | STYLE DESIGNATOR | RECESSED |
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