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National Stock Number:
5310-01-256-5233
Federal Supply Class:
5310
National Item Identification Number:
012565233
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:
| 10110226 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 5728-1 | 86928 | SEASTROM MANUFACTURING CO INC | | 8907807-1 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | PC92056-1 | 09344 | ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS |
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Techincal Specification:
| HOLE DIAMETER | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | RECESS ANGLE | 98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.222 INCHES MINIMUM AND 0.242 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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