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National Stock Number:
5306-00-437-8765
Federal Supply Class:
5306
National Item Identification Number:
004378765
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:
| 8331243 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| FASTENER LENGTH | 1.109 INCHES NOMINAL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SHOULDER DIAMETER | 0.4690 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.475 INCHES MINIMUM AND 0.485 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | SHOULDER UNDERCUT FROM BEARING SURFACE OF HEAD 0.306 IN. MIN,0.316 IN. MAX DIA BY 0.328 IN. WIDE | | THREAD CLASS | 2A | | THREAD LENGTH | 0.469 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF | | WIDTH BETWEEN FLATS | 0.734 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
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