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National Stock Number:
5310-01-565-6186
Federal Supply Class:
5310
National Item Identification Number:
015656186
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:
| 803-1401890 PC 46 SST | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1623943 PC 18 SST | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 943-18S | 86700 | RAILWAY SPECIALTIES CORP |
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Techincal Specification:
| HOLE DIAMETER | 0.310 INCHES MINIMUM AND 0.316 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.094 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 0.562 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.438 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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