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National Stock Number: 5306-00-638-2477
Federal Supply Class: 5306
National Item Identification Number: 006382477
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:
89WM10473-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
FASTENER LENGTH | 1.749 INCHES NOMINAL | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL | HEAD DIAMETER | 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | HEAD HEIGHT | 0.343 INCHES NOMINAL | HEAD STYLE | BEVEL-CONICAL | HOLE CONFIGURATION STYLE | ROUND LONGITUDINAL HOLE | HOLE DIAMETER | 0.062 INCHES NOMINAL | HOLE QUANTITY | 6 | HOLE TYPE | DRILLED | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL | STEEL COMP 4340 OVERALL | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | NOMINAL THREAD DIAMETER | 0.312 INCHES | WIDTH ACROSS FLATS | 0.376 INCHES MINIMUM AND 0.379 INCHES MAXIMUM | SURFACE TREATMENT | CADMIUM OVERALL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.468 INCHES MINIMUM | THREAD QUANTITY PER INCH | 24 | THREAD SERIES DESIGNATOR | UNF |
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