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National Stock Number:
5306-00-404-6355
Federal Supply Class:
5306
National Item Identification Number:
004046355
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:
| 431B502PC26 | 01289 | GENERAL ELECTRIC COMPANY | | 431B502PC26 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.625 INCHES NOMINAL | | FASTENER LENGTH | 2.250 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 1.069 INCHES MINIMUM AND 1.074 INCHES MAXIMUM | | HEAD DIAMETER | 1.859 INCHES MINIMUM AND 1.875 INCHES MAXIMUM | | HEAD HEIGHT | 1.230 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A193,GR B16 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SPECIAL FEATURES | TAPERED THREADS | | WIDTH ACROSS FLATS | 0.875 INCHES MINIMUM AND 0.880 INCHES MAXIMUM | | SURFACE TREATMENT | COPPER OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.625 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UN | | THREAD QUANTITY PER INCH | 8 |
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