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National Stock Number:
5310-00-307-0898
Federal Supply Class:
5310
National Item Identification Number:
003070898
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:
| 1286431-101 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HOLE DIAMETER | 0.252 INCHES MINIMUM AND 0.282 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.195 INCHES MINIMUM AND 1.220 INCHES MAXIMUM | | OVERALL HEIGHT | 0.132 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/5,T42 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.025 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | RECESS ANGLE | 99.0 DEGREES MINIMUM AND 103.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.507 INCHES MINIMUM AND 0.517 INCHES MAXIMUM | | STYLE DESIGNATOR | FINISHING | | SURFACE TREATMENT | PAINT OVERALL |
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