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National Stock Number:
5306-01-237-6844
Federal Supply Class:
5306
National Item Identification Number:
012376844
Description:
BOLT,RIBBED SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also BOLT, RIBBED NECK.
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Manufacturer Information:
| 12354223 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 7-140 | 15460 | DEXTER AXLE COMPANY LLC |
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Techincal Specification:
| FASTENER LENGTH | 2.450 INCHES NOMINAL | | HEAD DIAMETER | 0.840 INCHES NOMINAL | | HEAD HEIGHT | 0.280 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL | STEEL COMP 1541 OVERALL | | NOMINAL THREAD DIAMETER | 0.562 INCHES | | SHOULDER DIAMETER | 0.582 INCHES MINIMUM AND 0.592 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | RIBBED FIRST SHOULDER | | SHOULDER LENGTH | 0.720 INCHES NOMINAL FIRST SHOULDER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY II, CLASS FE/ZN8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 1.580 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNF |
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