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National Stock Number:
5310-00-471-0970
Federal Supply Class:
5310
National Item Identification Number:
004710970
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:
| 4F24503-101B | 2S308 | FREEHOLD MANUFACTURING ASSEMBLY COMPANY, INC. | | 4F24503-101B | 30205 | MERCER PRODUCTS & MANUFACTURING COMPANY | | 4F24503-101B | 52916 | CAPRICE ENGINEERING COMPANY, INC. | | 4F24503-101B | 6Z800 | A AND M AEROSPACE, INC. | | 4F24503-101B | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HOLE DIAMETER | 0.251 INCHES MINIMUM AND 0.258 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.045 INCHES MINIMUM AND 1.050 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.160 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 OVERALL | | MINIMUM TENSILE STRENGTH | 155000 POUNDS PER SQUARE INCH | | RECESS DIAMETER | 0.510 INCHES NOMINAL | | RECESS ANGLE | 100.0 DEGREES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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