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National Stock Number:
5306-01-037-6073
Federal Supply Class:
5306
National Item Identification Number:
010376073
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:
| BACB30LM3-4 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30LM3-4 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | BACB30LM3-4 | 17943 | FEDERAL MANUFACTURING CORP | | BACB30LM3-4 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30LM3-4 | 27624 | SPS TECHNOLOGIES LLC | | BACB30LM3-4 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30LM3-4 | 73TG7 | BRILES AEROSPACE, LLC | | BACB30LM3-4 | 81205 | THE BOEING COMPANY | | BACB30LM3-4 | FAWT4 | BLANC AERO INDUSTRIE VILLEFRANCHE DEROUERGUE - GROUPE LISI AEROSPACE |
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Techincal Specification:
| FASTENER LENGTH | 0.580 INCHES MINIMUM AND 0.610 INCHES MAXIMUM | | GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | HEAD HEIGHT | 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | HEAD STYLE | DISHED HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPECIFICATION/STANDARD DATA | 81205-BACB30LM MANUFACTURERS STANDARD | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.320 INCHES MINIMUM AND 0.370 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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