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National Stock Number:
5310-01-172-3309
Federal Supply Class:
5310
National Item Identification Number:
011723309
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:
| 4684958 ITEM 8 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 4684969-8 | 28548 | FABRICATION SPECIALTY INC | | 708-4684958 ITEM 8 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 87841-0205 ITEM 8 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 3.440 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AF DE-588,FSCM 18873 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | OUTSIDE DIAMETER | 6.880 INCHES NOMINAL | | MATERIAL THICKNESS | 0.180 INCHES NOMINAL | | MATERIAL | PLASTIC ACETAL OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 3.500 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP |
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