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National Stock Number:
5310-01-189-7506
Federal Supply Class:
5310
National Item Identification Number:
011897506
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:
| 8526-44 | 00268 | CEF INDUSTRIES, LLC |
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Techincal Specification:
| HARDNESS RATING | 42.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.500 INCHES NOMINAL | | MATERIAL | STEEL COMP 420 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.122 INCHES MINIMUM AND 1.123 INCHES MAXIMUM | | OVERALL HEIGHT | 0.180 INCHES NOMINAL | | SPECIAL FEATURES | ADDITIONAL RECESS 0.850 IN. DIA AND 0.015 IN. DEEP | | RECESS DEPTH | 0.075 INCHES NOMINAL | | RECESS DIAMETER | 0.945 INCHES MINIMUM AND 0.946 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ES-103 FSCM 00268 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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