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National Stock Number:
5306-01-276-7475
Federal Supply Class:
5306
National Item Identification Number:
012767475
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:
| 120978-6-11 | 56878 | SPS TECHNOLOGIES, LLC | | AIC596-6-11 | 06725 | SPS TECHNOLOGIES, LLC | | C7521-6-11 | 06710 | VALLEY-TODECO, INC. | | C7521-6-11 | 17446 | HUCK INTERNATIONAL, INC | | C7521-6-11 | 80539 | SPS TECHNOLOGIES, LLC | | C7521-6-11 | 81755 | LOCKHEED MARTIN CORPORATION | | PBF7521-6-11 | 27624 | SPS TECHNOLOGIES LLC | | C7521-6-11 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 1.127 INCHES MINIMUM AND 1.157 INCHES MAXIMUM | | GRIP LENGTH | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM | | GRIP DIAMETER | 0.3733 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM | | HEAD HEIGHT | 0.210 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.668 INCHES MINIMUM AND 0.679 INCHES MAXIMUM | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP H11 OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.439 INCHES MINIMUM AND 0.479 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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