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National Stock Number:
5306-01-265-1184
Federal Supply Class:
5306
National Item Identification Number:
012651184
Description:
BOLT,SHEAR
Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.
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Manufacturer Information:
| 3051G58-002 | 01289 | GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT | | 3051G58-002 | 17454 | TIMKEN GEARS & SERVICES INC. |
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Techincal Specification:
| COLOR | BLACK OVERALL | | EXTENDED WASHER DIAMETER | 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.222 INCHES NOMINAL | | FASTENER LENGTH | 4.249 INCHES NOMINAL | | GRIP DIAMETER | 0.994 INCHES MINIMUM AND 0.995 INCHES MAXIMUM | | GRIP LENGTH | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.923 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI4340 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4340 OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | WIDTH BETWEEN FLATS | 1.062 INCHES NOMINAL | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.479 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES DESIGNATOR | UNJF |
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