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National Stock Number:
5310-01-271-0378
Federal Supply Class:
5310
National Item Identification Number:
012710378
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:
| 2A004-20 | 98391 | ARKWIN INDUSTRIES, INC. |
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Techincal Specification:
| HOLE DIAMETER | 0.278 INCHES MINIMUM AND 0.282 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM | | MATERIAL | STEEL COMP 416 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 0.497 INCHES MINIMUM AND 0.499 INCHES MAXIMUM | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | RECESS DEPTH | 0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | PASSIVATE OVERALL |
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