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National Stock Number:
5306-00-712-0253
Federal Supply Class:
5306
National Item Identification Number:
007120253
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:
| 7120253 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.688 INCHES MINIMUM | | FASTENER LENGTH | 1.500 INCHES NOMINAL | | MATERIAL | STEEL COMP 1020 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.438 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.4960 INCHES MINIMUM AND | | 0.4980 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.750 INCHES MINIMUM AND | | 0.752 INCHES MAXIMUM FIRST SHOULDER | | SPECIAL FEATURES | WASHER FACED BEARING SURFACE ON HEAD,THREAD RELIEF 0.060 IN. W |
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