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National Stock Number:
5306-01-053-6961
Federal Supply Class:
5306
National Item Identification Number:
010536961
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:
| BACB30LM4DU9 | 06710 | VALLEY-TODECO, INC. | | BACB30LM4DU9 | 06729 | NEW HOLLAND INC OEM OPNS MS 660 | | BACB30LM4DU9 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30LM4DU9 | 17446 | HUCK INTERNATIONAL, INC | | BACB30LM4DU9 | 17943 | FEDERAL MANUFACTURING CORP | | BACB30LM4DU9 | 27624 | SPS TECHNOLOGIES LLC | | BACB30LM4DU9 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30LM4DU9 | 80539 | SPS TECHNOLOGIES, LLC | | BACB30LM4DU9 | 81205 | THE BOEING COMPANY | | BACB30LM4DU9 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30LM4DU9 | 97928 | HUCK INTL INC | | BACB30LM4DU9 | 98524 | MONOGRAM AEROSPACE FASTENERS, INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.784 INCHES MINIMUM FIRST HOLE AND 0.834 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 0.972 INCHES MINIMUM AND 1.002 INCHES MAXIMUM | | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | | HEAD STYLE | DISHED HEXAGON | | MATERIAL | IRON ALLOY 660 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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