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National Stock Number:
5306-01-459-0860
Federal Supply Class:
5306
National Item Identification Number:
014590860
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:
| S4928913-4D16 | 06725 | SPS TECHNOLOGIES, LLC | | S4928913-4D16 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | S4928913-4D16 | 0K620 | SEQUENCE SUPPORT SERVICES INC | | S4928913-4D16 | 17446 | HUCK INTERNATIONAL, INC | | S4928913-4D16 | 27624 | SPS TECHNOLOGIES LLC | | S4928913-4D16 | 50945 | MERCURY AEROSPACE FASTENERS INC | | S4928913-4D16 | 56878 | SPS TECHNOLOGIES, LLC | | S4928913-4D16 | 88277 | THE BOEING COMPANY | | S4928913-4D16 | 97928 | HUCK INTL 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 | 0.316 INCHES NOMINAL | | FASTENER LENGTH | 1.301 INCHES MINIMUM AND | | 1.331 INCHES MAXIMUM | | MATERIAL | STEEL COMP E4340 OR | | STEEL COMP 8740 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR | | AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | CHROMIUM BEARING SURFACE OF HEAD | | CHROMIUM GRIP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | QQ-C-320 CL2 TY1 FED SPEC SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD | | QQ-C-320 CL2 TY1 FED SPEC SINGLE TREATMENT RESPONSE GRIP | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | DISHED HEXAGON | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND | | 0.140 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | HEXAGON CORNERS | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 3 | | HOLE DIAMETER | 0.036 INCHES MINIMUM AND | | 0.056 INCHES MAXIMUM | | GRIP LENGTH | 0.990 INCHES MINIMUM AND | | 1.010 INCHES MAXIMUM | | GRIP DIAMETER | 0.2483 INCHES MINIMUM AND | | 0.2492 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES THREADS | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.998 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.066 INCHES MINIMUM AND | | 0.086 INCHES MAXIMUM FIRST HOLE |
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