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National Stock Number: 5306-00-208-8613
Federal Supply Class: 5306
National Item Identification Number: 002088613
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:
8022412 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNC | NOMINAL THREAD DIAMETER | 0.312 INCHES | THREAD QUANTITY PER INCH | 18 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.688 INCHES NOMINAL | FASTENER LENGTH | 1.500 INCHES NOMINAL | MATERIAL | STEEL COMP E4340 OVERALL | SURFACE TREATMENT | CADMIUM OVERALL | HARDNESS RATING | 27.0 ROCKWELL C NOMINAL OVERALL | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | HEAD STYLE | FLAT CHAMFER | HEAD DIAMETER | 0.523 INCHES MINIMUM AND | | 0.531 INCHES MAXIMUM | HEAD HEIGHT | 0.276 INCHES NOMINAL | INTERNAL DRIVE STYLE | HEXAGON | WIDTH ACROSS FLATS | 0.313 INCHES MINIMUM AND | | 0.315 INCHES MAXIMUM | THE MANUFACTURERS DATA | | MANUFACTURERS CODE | 18876 | DESIGN CONTROL REFERENCE | 8022412 |
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