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National Stock Number:
5310-01-183-8756
Federal Supply Class:
5310
National Item Identification Number:
011838756
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:
| 4F73463-101A | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/5,T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | FINISHING | | HOLE DIAMETER | 0.314 INCHES MINIMUM AND | | 0.344 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.933 INCHES MINIMUM AND | | 0.958 INCHES MAXIMUM | | OVERALL HEIGHT | 0.160 INCHES NOMINAL | | RECESS DIAMETER | 0.635 INCHES MINIMUM AND | | 0.645 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.025 INCHES NOMINAL | | RECESS ANGLE | 99.0 DEGREES MINIMUM AND | | 103.0 DEGREES MAXIMUM |
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