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National Stock Number:
5310-00-192-1653
Federal Supply Class:
5310
National Item Identification Number:
001921653
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:
| 756124-103 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 1.010 INCHES MINIMUM AND | | 1.025 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.880 INCHES NOMINAL | | RECESS DIAMETER | 1.140 INCHES MINIMUM AND | | 1.160 INCHES MAXIMUM | | RECESS DEPTH | 0.057 INCHES MINIMUM AND | | 0.075 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.140 INCHES MINIMUM AND | | 0.160 INCHES MAXIMUM | | RECESS ANGLE | 89.0 DEGREES MINIMUM AND | | 91.0 DEGREES MAXIMUM | | HEAT TREATMENT | AS FABRICATED | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 98897 | | DESIGN CONTROL REFERENCE | 756124-103 |
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