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National Stock Number:
5310-00-471-0881
Federal Supply Class:
5310
National Item Identification Number:
004710881
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:
| 4G13901-101A | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HOLE DIAMETER | 0.700 INCHES MINIMUM AND 0.702 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.175 INCHES MINIMUM AND 1.176 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | RECESS DIAMETER | 0.730 INCHES MINIMUM AND 0.752 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DEPTH | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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