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National Stock Number:
5310-00-409-9921
Federal Supply Class:
5310
National Item Identification Number:
004099921
Description:
WASHER,FINISHING
Detail:
A WASHER OR CONE OR DISK SHAPE WITH A CENTRALLY LOCATED HOLE, DESIGNED TO ACCOMMODATE A FLAT OR OVAL HEAD SCREW AND PROVIDE ADDITIONAL BEARING AREA ON THE MATERIAL BEING FASTENED. IT MAY OR MAY NOT HAVE A FLUSH FLANGE FEATURE.
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Manufacturer Information:
| C668A9D | 81755 | LOCKHEED MARTIN CORPORATION | | CG599A9D | 86044 | CALIFORNIA GASKET AND RUBBER CORPORATION | | SI668A9D | 24434 | SKYLINE INDUSTRIES, INC |
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Techincal Specification:
| HOLE DIAMETER | 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM | | OVERALL HEIGHT | 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.010 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | RECESS ANGLE | 100.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM | | STYLE DESIGNATOR | FINISHING |
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