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National Stock Number:
5306-00-411-0726
Federal Supply Class:
5306
National Item Identification Number:
004110726
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:
| 431B501PC18 | 01289 | GENERAL ELECTRIC COMPANY | | 431B501PC18 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.250 INCHES NOMINAL | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.381 INCHES MINIMUM AND 0.391 INCHES MAXIMUM | | HEAD DIAMETER | 0.863 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | HEAD HEIGHT | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | C50A-400,GR B1601289,FSCM 24446 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIAL FEATURES | MAY BE PLATED ALL OVER | | SURFACE FINISH | 63.0 MICROINCHES HEAD | | SURFACE TREATMENT | COPPER AND CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH ACROSS FLATS | 0.500 INCHES MINIMUM AND 0.503 INCHES MAXIMUM |
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