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National Stock Number:
5310-01-025-3489
Federal Supply Class:
5310
National Item Identification Number:
010253489
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:
| 140-007-16-16D5 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 0.250 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.500 INCHES NOMINAL | | MATERIAL THICKNESS | 0.156 INCHES NOMINAL | | TOP RECESS DIAMETER | 0.170 INCHES MINIMUM AND | | 0.175 INCHES MAXIMUM | | BOTTOM RECESS DIAMETER | 0.170 INCHES MINIMUM AND | | 0.175 INCHES MAXIMUM | | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | HEAT TREATMENT | AS FABRICATED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 97499 | | DESIGN CONTROL REFERENCE | 140-007-16-16D5 |
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