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National Stock Number:
5310-00-038-3969
Federal Supply Class:
5310
National Item Identification Number:
000383969
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:
| 4F24503-103B | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HOLE DIAMETER | 0.251 INCHES MINIMUM AND 0.258 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.160 INCHES NOMINAL | | MATERIAL THICKNESS | 0.130 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 OVERALL | | RECESS ANGLE | 100.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.489 INCHES MINIMUM AND 0.499 INCHES MAXIMUM | | SPECIAL FEATURES | CHAMFER FROM 0.700 IN. DIA TO 0.060 IN. MIN 0.090 IN. MAX THK ON RECESSED SIDE | | STYLE DESIGNATOR | RECESSED |
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