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National Stock Number:
5306-00-141-2707
Federal Supply Class:
5306
National Item Identification Number:
001412707
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:
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MAXIMUM | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND | | 42.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.265 INCHES MINIMUM AND | | 0.270 INCHES MAXIMUM | | HEAD HEIGHT | 0.160 INCHES MINIMUM AND | | 0.164 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SQUARE | | WIDTH ACROSS FLATS | 0.125 INCHES MINIMUM AND | | 0.127 INCHES MAXIMUM |
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