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National Stock Number:
5310-01-025-6994
Federal Supply Class:
5310
National Item Identification Number:
010256994
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:
| 4M114C8 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 0.166 INCHES MINIMUM AND 0.196 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM | | OVERALL HEIGHT | 0.087 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL THICKNESS | 0.016 INCHES NOMINAL | | MATERIAL | STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL | | RECESS ANGLE | 101.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.332 INCHES MINIMUM AND 0.342 INCHES MAXIMUM | | STYLE DESIGNATOR | FINISHING | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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