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National Stock Number:
5310-12-311-1067
Federal Supply Class:
5310
National Item Identification Number:
123111067
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:
| DIN6319-D12-A4-70 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
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Techincal Specification:
| HOLE DIAMETER | 12,0 MILLIMETERS NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ISO3506-2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 4,2 MILLIMETERS NOMINAL | | MATERIAL | STEEL COMP A4 OVERALL | | OUTSIDE DIAMETER | 21,0 MILLIMETERS NOMINAL | | RECESS ANGLE | 120,0 DEGREES NOMINAL | | RECESS DIAMETER | 18,5 MILLIMETERS NOMINAL | | STYLE DESIGNATOR | RECESSED | | TEST DATA DOCUMENT | D8286-DIN6319/OKT97/ STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
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