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National Stock Number:
5306-01-340-2139
Federal Supply Class:
5306
National Item Identification Number:
013402139
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:
| BACB30NM4K9 | 06710 | VALLEY-TODECO, INC. | | BACB30NM4K9 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30NM4K9 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30NM4K9 | 16258 | SPACE-LOK, INC. | | BACB30NM4K9 | 17446 | HUCK INTERNATIONAL, INC | | BACB30NM4K9 | 1ER65 | 3-V FASTENER CO., INC. | | BACB30NM4K9 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30NM4K9 | 27624 | SPS TECHNOLOGIES LLC | | BACB30NM4K9 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30NM4K9 | 73197 | HI-SHEAR CORPORATION | | BACB30NM4K9 | 73TG7 | BRILES AEROSPACE, LLC | | BACB30NM4K9 | 80539 | SPS TECHNOLOGIES, LLC | | BACB30NM4K9 | 81205 | THE BOEING COMPANY | | BACB30NM4K9 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30NM4K9 | 93907 | TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS | | BACB30NM4K9 | 97928 | HUCK INTL INC | | BACB30NM4K9 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | BACB30NM4K9 | Z03F0 | BOEING DEFENCE AUSTRALIA LTD | | BACB30NM4K9 | Z8T75 | BOEING DEFENCE AUSTRALIA LTD |
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Techincal Specification:
| COLOR | BLACK THREADS | | FASTENER LENGTH | 0.972 INCHES MINIMUM AND 1.002 INCHES MAXIMUM | | GRIP DIAMETER | 0.2485 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 DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES GRIP32.0 MICROINCHES THREADS | | SURFACE TREATMENT | ALUMINUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.425 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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