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National Stock Number:
5306-00-901-2918
Federal Supply Class:
5306
National Item Identification Number:
009012918
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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Manufacturer Information:
| 10920659-2 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.376 INCHES MINIMUM AND | | 1.500 INCHES MAXIMUM | | FASTENER LENGTH | 3.562 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OR | | STEEL COMP 8640 OR | | STEEL COMP 8740 OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE2,CLASS3 FED SPEC ALL TREATMENT RESPONSES OVERALL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.375 INCHES NOMINAL | | RIB QUANTITY | 27 | | RIB MAJOR DIAMETER | 0.771 INCHES MINIMUM AND | | 0.791 INCHES MAXIMUM | | RIB LENGTH | 0.375 INCHES NOMINAL | | RIB MINOR DIAMETER | 0.740 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED |
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