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National Stock Number:
5310-01-487-6738
Federal Supply Class:
5310
National Item Identification Number:
014876738
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:
| 4F73463-103A | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| HOLE DIAMETER | 0.252 INCHES MINIMUM AND 0.282 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.745 INCHES MINIMUM AND 0.770 INCHES MAXIMUM | | OVERALL HEIGHT | 0.132 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | -QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.025 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 1230 OVERALL | | STYLE DESIGNATOR | FINISHING | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL |
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