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National Stock Number:
5310-01-286-0845
Federal Supply Class:
5310
National Item Identification Number:
012860845
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:
| 717512705-001 | 04939 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 0.172 INCHES MINIMUM AND 0.177 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.323 INCHES MINIMUM AND 0.328 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581,CONDITION B ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | RECESS DIAMETER | 0.175 INCHES NOMINAL | | RECESS ANGLE | 70.0 DEGREES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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