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National Stock Number:
5310-01-493-4442
Federal Supply Class:
5310
National Item Identification Number:
014934442
Description:
NUT,SELF-LOCKING,EXTENDED WASHER
Detail:
A NUT, CIRCULAR IN SHAPE, HAVING WRENCHING FACILITIES SUCH AS FLATS, HOLES, PROTRUSIONS, SLOTS OR SPLINES IN OR ON THE PERIPHERY. IT HAS AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE WRENCHING ELEMENT PERIPHERY AND AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.
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Manufacturer Information:
| KFN644-9 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DRIVE POINT QUANTITY | 8 | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | OVERALL HEIGHT | 0.670 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.5625 INCHES | | NUT STYLE | SPLINE DRIVE | | SPECIAL FEATURES | DEFORMED TO PRODUCE SELF-LOCKING ACTION | | WASHER OUTSIDE DIAMETER | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM | | WASHER THICKNESS | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | TEMP RATING | 450.0 FAHRENHEIT NOMINAL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNJF | | THREAD QUANTITY PER INCH | 18 |
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