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National Stock Number:
5306-00-945-9989
Federal Supply Class:
5306
National Item Identification Number:
009459989
Description:
BOLT,SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.
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Manufacturer Information:
| 10921544 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 5306-945-9989 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE |
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Techincal Specification:
| DISTANCE FROM CENTERLINE TO FLAT | 0.875 INCHES NOMINAL | | FASTENER LENGTH | 4.937 INCHES NOMINAL | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 2.500 INCHES NOMINAL | | HEAD HEIGHT | 0.375 INCHES NOMINAL | | HEAD STYLE | DEE CHAMFER | | MATERIAL | STEEL COMP 4140 OR STEEL COMP 8640 OVERALL | | SHOULDER DIAMETER | 1.4990 INCHES MINIMUM AND 1.4995 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 4.000 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.687 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNEF |
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