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National Stock Number:
5306-00-637-8612
Federal Supply Class:
5306
National Item Identification Number:
006378612
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:
| 7604339 | 19200 | US ARMY ARDEC RDECOM | | BL90711 | 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO | | BL90711 | 70408 | AT AND T CORP |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 3.249 INCHES MINIMUM AND 3.313 INCHES MAXIMUM | | FASTENER LENGTH | 3.734 INCHES MINIMUM AND 3.766 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM | | HEAD DIAMETER | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM | | HEAD HEIGHT | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1020 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | WIDTH ACROSS FLATS | 0.184 INCHES MINIMUM AND 0.194 INCHES MAXIMUM | | SURFACE TREATMENT | CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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