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National Stock Number:
5310-01-527-9618
Federal Supply Class:
5310
National Item Identification Number:
015279618
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:
| NAS1587A-4C | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| HOLE DIAMETER | 0.252 INCHES MINIMUM | | OUTSIDE DIAMETER | 0.531 INCHES NOMINAL | | MATERIAL THICKNESS | 0.078 INCHES NOMINAL | | MATERIAL | STEEL COMP 321 OVERALL | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.339 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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