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National Stock Number:
5310-01-485-8082
Federal Supply Class:
5310
National Item Identification Number:
014858082
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:
| 501-7055651 ITEM 120 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 608-7120913 ITEM 61 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 7055651 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 7120913 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| HOLE DIAMETER | 1.590 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A564,TYPE 630 H1075 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | | MATERIAL | STEEL COMP 630 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 4.250 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 1.840 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM |
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