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National Stock Number:
5306-00-424-9275
Federal Supply Class:
5306
National Item Identification Number:
004249275
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:
| 11699A18U048 | 59563 | REID PRODUCTS INC. | | 68487-18EV48 | 50392 | SPS TECHNOLOGIES INC | | PBF1044A18U048 | 27624 | SPS TECHNOLOGIES LLC | | 68487-18EV48 | 56878 | SPS TECHNOLOGIES, LLC | | STSBG003A18U048 | 98897 | LOCKHEED MARTIN CORP | | STSG003A18U048 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 1.125 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.918 INCHES MINIMUM AND | | 1.968 INCHES MAXIMUM | | FASTENER LENGTH | 4.928 INCHES MINIMUM AND | | 4.958 INCHES MAXIMUM | | MATERIAL | STEEL COMP H11 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 1.051 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.239 INCHES MINIMUM AND | | 1.252 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 1.865 INCHES MINIMUM AND | | 1.875 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.248 INCHES MINIMUM AND | | 0.268 INCHES MAXIMUM | | GRIP LENGTH | 2.990 INCHES MINIMUM AND | | 3.010 INCHES MAXIMUM | | GRIP DIAMETER | 1.1225 INCHES MINIMUM AND | | 1.1240 INCHES MAXIMUM |
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