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National Stock Number:
5310-00-089-0668
Federal Supply Class:
5310
National Item Identification Number:
000890668
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:
| NAS391B8 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| HOLE DIAMETER | 0.347 INCHES MINIMUM AND 0.357 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM | | OVERALL HEIGHT | 0.092 INCHES MINIMUM AND 0.112 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.010 INCHES MINIMUM AND 0.018 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY C OR COPPER ALLOY OVERALL | | STYLE DESIGNATOR | FINISHING | | SURFACE TREATMENT | CADMIUM OVERALL |
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