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National Stock Number:
5306-00-721-5685
Federal Supply Class:
5306
National Item Identification Number:
007215685
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:
| MILB7838 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS20020H54 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| FASTENER LENGTH | 4.985 INCHES MINIMUM AND 5.015 INCHES MAXIMUM | | HEAD DIAMETER | 2.115 INCHES MINIMUM AND 2.125 INCHES MAXIMUM | | HEAD HEIGHT | 1.250 INCHES NOMINAL | | HEAD STYLE | BEVEL-CONICAL | | HOLE CONFIGURATION STYLE | ROUND LONGITUDINAL HOLE | | HOLE DIAMETER | 0.055 INCHES NOMINAL | | HOLE QUANTITY | 4 | | HOLE TYPE | DRILLED | | INTERNAL DRIVE STYLE | HEXAGON | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.600 INCHES MINIMUM AND 1.650 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 12 | | WIDTH ACROSS FLATS | 1.001 INCHES MINIMUM AND 1.005 INCHES MAXIMUM |
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