National Stock Number: 5306-99-103-8473
Federal Supply Class: 5306
National Item Identification Number: 991038473
Description: BOLT,RIBBED NECK
Detail: A HEADED EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER WITH A SERIES OF LONGITUDINAL RIBS, SPLINES OR SERRATIONS ON ALL OR PART OF THE UNTHREADED PORTION. SEE ALSO BOLT, RIBBED SHOULDER.
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