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National Stock Number:
5310-01-181-0818
Federal Supply Class:
5310
National Item Identification Number:
011810818
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:
| 30-01-7864 | 96169 | ELECTRIC BOAT CORPORATION | | 4684916-0007 | 96169 | ELECTRIC BOAT CORPORATION | | 709-4684916 ITEM 7 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-741 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 2.369 INCHES MINIMUM AND | | 2.374 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.750 INCHES NOMINAL | | RECESS DIAMETER | 2.493 INCHES MINIMUM AND | | 2.498 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.125 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL |
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