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National Stock Number:
5306-01-224-6887
Federal Supply Class:
5306
National Item Identification Number:
012246887
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:
| 12331242 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.204 INCHES MINIMUM AND | | 2.343 INCHES MAXIMUM | | FASTENER LENGTH | 3.000 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | ZINC AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | BUTTON | | HEAD DIAMETER | 0.688 INCHES MINIMUM AND | | 0.719 INCHES MAXIMUM | | HEAD HEIGHT | 0.156 INCHES MINIMUM AND | | 0.176 INCHES MAXIMUM | | RIB QUANTITY | 12 | | RIB MAJOR DIAMETER | 0.340 INCHES NOMINAL | | RIB LENGTH | 0.594 INCHES NOMINAL | | RIB INCLUDED ANGLE | 90.0 DEGREES NOMINAL | | RIB MINOR DIAMETER | 0.298 INCHES MINIMUM AND | | 0.324 INCHES MAXIMUM |
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