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National Stock Number:
5306-01-309-2616
Federal Supply Class:
5306
National Item Identification Number:
013092616
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:
| 3M1103-4H40 | 06710 | VALLEY-TODECO, INC. | | 3M1103-4H40 | 56878 | SPS TECHNOLOGIES, LLC | | 3M1103-4H40 | 73197 | HI-SHEAR CORPORATION | | 3M1103-4H40 | 76301 | THE BOEING COMPANY | | 3M1103-4H40 | 80539 | SPS TECHNOLOGIES, LLC | | 3M1103-4H40 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M1103-4H40 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.468 INCHES NOMINAL | | FASTENER LENGTH | 2.953 INCHES MINIMUM AND | | 2.983 INCHES MAXIMUM | | MATERIAL | NICKEL OVERALL | | SURFACE TREATMENT | CHROMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320, CL 1 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD STYLE | SPLINE EXTENDED WASHER | | HEAD HEIGHT | 0.240 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.460 INCHES MINIMUM AND | | 0.470 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.026 INCHES MINIMUM AND | | 0.470 INCHES MAXIMUM | | HEAD MINOR DIAMETER | 0.318 INCHES MINIMUM AND | | 0.324 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | ROUND LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 4 | | HOLE DIAMETER | 0.032 INCHES NOMINAL | | GRIP LENGTH | 2.490 INCHES MINIMUM AND | | 2.510 INCHES MAXIMUM | | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND | | 0.2495 INCHES MAXIMUM |
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