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National Stock Number:
5306-01-256-5186
Federal Supply Class:
5306
National Item Identification Number:
012565186
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:
| 74328-4H11 | 56878 | SPS TECHNOLOGIES, LLC | | 74328-4H11 | 80539 | SPS TECHNOLOGIES, LLC | | AIC752-4H11 | 06725 | SPS TECHNOLOGIES, LLC | | BM3326-4H11 | 17446 | HUCK INTERNATIONAL, INC | | MB84-4H11 | 73197 | HI-SHEAR CORPORATION | | BM3326-4H11 | 97928 | HUCK INTL INC | | ST3M571-4H11 | 0CZ92 | PRUITT ENERGY SOURCES INC | | ST3M571-4H11 | 0PTK6 | SPS TECHNOLOGIES INC | | S371-4H11 | 17446 | HUCK INTERNATIONAL, INC | | ST3M571-4H11 | 17448 | DEVINE MFG CO | | ST3M571-4H11 | 27624 | SPS TECHNOLOGIES LLC | | S11-1059-4H11 | 57928 | SONIC INDUSTRIES, INC. | | S371-4H11 | 97928 | HUCK INTL INC | | MB84-4H11 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | VAL23033-4H11 | 06710 | VALLEY-TODECO, INC. | | VS3060-4H11 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M571-4H11 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M571-4H11 | 76301 | THE BOEING COMPANY | | VS3060-4H11 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.443 INCHES MINIMUM AND | | 0.493 INCHES MAXIMUM | | FASTENER LENGTH | 1.140 INCHES MINIMUM AND | | 1.170 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.290 INCHES MINIMUM AND | | 0.310 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.303 INCHES MINIMUM AND | | 0.323 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND | | 0.438 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.059 INCHES MINIMUM AND | | 0.079 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 4 | | HOLE DIAMETER | 0.032 INCHES MINIMUM AND | | 0.042 INCHES MAXIMUM | | GRIP LENGTH | 0.677 INCHES MINIMUM AND | | 0.697 INCHES MAXIMUM | | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND | | 0.2495 INCHES MAXIMUM |
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