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National Stock Number:
5306-01-623-0518
Federal Supply Class:
5306
National Item Identification Number:
016230518
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:
| BACB30MR4A18 | 06710 | VALLEY-TODECO, INC. | | BACB30MR4A18 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30MR4A18 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30MR4A18 | 0PTK6 | SPS TECHNOLOGIES INC | | BACB30MR4A18 | 17446 | HUCK INTERNATIONAL, INC | | BACB30MR4A18 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30MR4A18 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30MR4A18 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.032 INCHES MINIMUM AND 0.052 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM | | FASTENER LENGTH | 1.535 INCHES MINIMUM AND 1.565 INCHES MAXIMUM | | GRIP DIAMETER | 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM | | HEAD HEIGHT | 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR AMS4967 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,12 POINT HEAD,160 KSI MIN TENSILE,95 KSI MIN SHEAR,6AL-4V TITANIUM(NOMINAL AND OVERSIZE) | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.2500 INCHES | | SINGLE SHEAR STRENGTH | 95000 POUNDS PER SQUARE INCH | | SPECIFICATION/STANDARD DATA | 81205-BACB30MR MANUFACTURERS STANDARD | | WIDTH BETWEEN FLATS | 0.347 INCHES MINIMUM AND 0.361 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BMS10-85,TY I,CL A ALUM.PIGMENTED COATING MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.425 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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