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National Stock Number:
5310-01-165-1331
Federal Supply Class:
5310
National Item Identification Number:
011651331
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:
| 1174372 | 34712 | LAKE SHORE SYSTEMS, INC. | | 318244 ITEM 16 | 34712 | LAKE SHORE SYSTEMS, INC. |
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Techincal Specification:
| HOLE DIAMETER | 3.156 INCHES MINIMUM AND 3.172 INCHES MAXIMUM | | OUTSIDE DIAMETER | 4.872 INCHES MINIMUM AND 4.875 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.951 INCHES MINIMUM AND 0.954 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SPECIAL FEATURES | 0.094 IN. WIDE BY 0.125 IN. DEEP NOTCH ON THE OUTER SURFACE | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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