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National Stock Number:
5306-01-472-2030
Federal Supply Class:
5306
National Item Identification Number:
014722030
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:
| 73142-5HL-15 | 56878 | SPS TECHNOLOGIES, LLC | | 73142-5HL-15 | 80539 | SPS TECHNOLOGIES, LLC | | HS4144-5HL15 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | HS4144-5HL15 | 06725 | SPS TECHNOLOGIES, LLC | | AIC4144-5HL-15 | 06725 | SPS TECHNOLOGIES, LLC | | FTC7633-5HL15 | 58794 | FASTENER TECHNOLOGY CORP | | SLB352-5HL-15 | 52525 | LERCO DIV SPACE-LOK INC | | HS4144-5HL15 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.480 INCHES NOMINAL | | FASTENER LENGTH | 1.403 INCHES MINIMUM AND | | 1.433 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL | | HEAD STYLE | SPLINE EXTENDED WASHER | | HEAD HEIGHT | 0.338 INCHES MINIMUM AND | | 0.358 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.521 INCHES MINIMUM AND | | 0.531 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.072 INCHES MINIMUM AND | | 0.092 INCHES MAXIMUM | | HEAD MINOR DIAMETER | 0.419 INCHES MINIMUM | | GRIP LENGTH | 0.938 INCHES NOMINAL | | GRIP DIAMETER | 0.311 INCHES MINIMUM AND | | 0.312 INCHES MAXIMUM |
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