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National Stock Number:
5306-01-057-3734
Federal Supply Class:
5306
National Item Identification Number:
010573734
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:
| 1283013-103 | 023T7 | REFA INTERNATIONAL INC. | | 1283013-103 | 98897 | LOCKHEED MARTIN CORP | | 1833013-103 | 30205 | MERCER PRODUCTS & MANUFACTURING COMPANY | | ATT411-8S | 77445 | RTX CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.640 INCHES MINIMUM AND | | 0.730 INCHES MAXIMUM | | FASTENER LENGTH | 1.915 INCHES MINIMUM AND | | 1.955 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.260 INCHES MINIMUM AND | | 0.280 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.743 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.4992 INCHES MINIMUM AND | | 0.4994 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 1.295 INCHES MINIMUM AND | | 1.305 INCHES MAXIMUM FIRST SHOULDER | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.667 INCHES MINIMUM AND | | 1.687 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.108 INCHES MINIMUM AND | | 0.113 INCHES MAXIMUM FIRST HOLE |
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