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National Stock Number:
5310-01-230-3397
Federal Supply Class:
5310
National Item Identification Number:
012303397
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:
| 783155 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | 783155 | 82328 | DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE | | A-4368 | 82328 | DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE |
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Techincal Specification:
| HOLE DIAMETER | 1.8750 INCHES MINIMUM AND 1.8755 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890, CLASS B MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.312 INCHES NOMINAL | | MATERIAL | STEEL OVERALL OR STEEL COMP 1018 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 2.250 INCHES NOMINAL | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | RECESS DIAMETER | 1.500 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 63.0 MICROINCHES INNER |
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