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National Stock Number:
5306-00-551-6294
Federal Supply Class:
5306
National Item Identification Number:
005516294
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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Techincal Specification:
| FASTENER LENGTH | 0.178 INCHES MINIMUM AND 0.208 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C NOMINAL OVERALL | | HEAD DIAMETER | 0.114 INCHES MINIMUM AND 0.118 INCHES MAXIMUM | | HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SIX SPLINE | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 176000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.073 INCHES | | SPLINE MINOR DIAMETER | 0.049 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | SPLINE WIDTH | 0.014 INCHES NOMINAL | | SPLINE MAJOR DIAMETER | 0.060 INCHES MINIMUM AND 0.061 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.178 INCHES MINIMUM AND 0.208 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES DESIGNATOR | UNF |
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