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National Stock Number:
5306-01-566-1837
Federal Supply Class:
5306
National Item Identification Number:
015661837
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:
| NAS640-36 | 82918 | THE BOEING COMPANY |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 2.115 INCHES MINIMUM AND 2.125 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.259 INCHES MINIMUM AND 0.279 INCHES MAXIMUM | | FASTENER LENGTH | 3.947 INCHES NOMINAL | | GRIP DIAMETER | 1.248 INCHES MINIMUM AND 1.249 INCHES MAXIMUM | | GRIP LENGTH | 2.250 INCHES NOMINAL | | HEAD HEIGHT | 1.155 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6484 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 8740 OR STEEL COMP 4340 OVERALL | | MINIMUM TENSILE STRENGTH | 202500 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | SPECIAL FEATURES | SHEAR DOULBE 265,100 POUNDS MIN | | WIDTH BETWEEN FLATS | 1.519 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.697 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES DESIGNATOR | UNJF |
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