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National Stock Number:
5310-00-487-8145
Federal Supply Class:
5310
National Item Identification Number:
004878145
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:
| 114PS219-2 | 77272 | THE BOEING COMPANY | | CEC4483 | 07060 | C. E. CONOVER & CO., INC. |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | HOLE DIAMETER | 0.770 INCHES MINIMUM AND 0.780 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.220 INCHES MINIMUM AND 0.225 INCHES MAXIMUM | | RECESS DEPTH | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | RECESS DIAMETER | 0.890 INCHES MINIMUM AND 0.930 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL |
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