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National Stock Number:
5310-01-501-5083
Federal Supply Class:
5310
National Item Identification Number:
015015083
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:
| 342-7067321-93 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H643-7002-93 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 45.0 DEGREES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-B150, ALLOY C63000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.260 INCHES NOMINAL | | MATERIAL | COPPER ALLOY 630 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 3.000 INCHES NOMINAL | | SPECIAL FEATURES | CORNERS ARE CHAMFERED .06 X 45 DEGREES | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | TOP RECESS DIAMETER | 1.755 INCHES MINIMUM AND 1.760 INCHES MAXIMUM | | TOP RECESS ANGLE | 45.0 DEGREES NOMINAL |
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