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National Stock Number:
5310-00-209-2500
Federal Supply Class:
5310
National Item Identification Number:
002092500
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:
| 338469 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HEAT TREATMENT | T-4 SOLUTION HEAT TREATED, NATURAL AGED | | HOLE DIAMETER | 1.315 INCHES MINIMUM AND 1.320 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.750 INCHES NOMINAL | | MATERIAL THICKNESS | 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | RECESS DIAMETER | 1.555 INCHES MINIMUM AND 1.560 INCHES MAXIMUM | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | RECESS DEPTH | 0.120 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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