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National Stock Number:
5306-01-364-7687
Federal Supply Class:
5306
National Item Identification Number:
013647687
Description:
BOLT,INTERNAL WRENCHING
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.
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Manufacturer Information:
| MS20007-51 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| FASTENER LENGTH | 3.975 INCHES NOMINAL | | HEAD DIAMETER | 0.745 INCHES NOMINAL | | HEAD HEIGHT | 0.438 INCHES NOMINAL | | HEAD STYLE | BEVEL-CONICAL | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.787 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 |
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