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Thread
.391-32
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Face Dia (inches)
0.625
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Width (inches)
0.229
This series of precision left-hand locknuts combines all the advantages of the NL series of left-hand locknuts with the benefits of precision to assure the longer life of a bearing or power transmission assembly, as well as the extra security of holding in situations where a shaft or spindle is revolving very rapidly. The runout and parallelism of the bearing face to the pitch diameter of the threads have a one revolution total indicator reading no greater than: .0005 inches for sizes 00 through 06, .001 inches for sizes 07 through 24.