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National Stock Number:
5310-00-818-1692
Federal Supply Class:
5310
National Item Identification Number:
008181692
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:
| A51M21504-11 | 02068 | SUMNER INDUSTRIES INC | | A51M21504-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51M21504-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51M21504-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| BOTTOM RECESS DIAMETER | 2.125 INCHES NOMINAL | | HOLE DIAMETER | 1.156 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.193 INCHES MINIMUM AND 0.195 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 630 OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | TOP RECESS DIAMETER | 2.125 INCHES NOMINAL |
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