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National Stock Number:
5310-00-438-5149
Federal Supply Class:
5310
National Item Identification Number:
004385149
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:
| 2584355 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | STEEL COMP 1008 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 2.781 INCHES MINIMUM AND | | 2.844 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.475 INCHES MINIMUM AND | | 3.485 INCHES MAXIMUM | | OVERALL HEIGHT | 0.365 INCHES NOMINAL | | RECESS DEPTH | 0.250 INCHES MINIMUM AND | | 0.255 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.015 INCHES NOMINAL |
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