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National Stock Number:
5310-00-903-4860
Federal Supply Class:
5310
National Item Identification Number:
009034860
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:
| 140-007-81-64F6 | 04614 | TEXTRON SYSTEMS CORPORATION | | 140-007-81-64F6 | 80070 | LOCKHEED MARTIN CORPORATION | | 140-007-81-64F6 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM | | BOTTOM RECESS DIAMETER | 1.416 INCHES MINIMUM AND 1.426 INCHES MAXIMUM | | HOLE DIAMETER | 1.256 INCHES MINIMUM AND 1.276 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM | | MATERIAL | STEEL COMP H11 OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | TOP RECESS ANGLE | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM | | TOP RECESS DIAMETER | 1.416 INCHES MINIMUM AND 1.426 INCHES MAXIMUM |
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