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National Stock Number:
5306-01-504-7861
Federal Supply Class:
5306
National Item Identification Number:
015047861
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:
| 12387352-06016 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM | | FASTENER LENGTH | 1.645 INCHES NOMINAL | | HEAD HEIGHT | 0.388 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-8503 MIL SPEC 4TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 AND STEEL COMP 4340 AND STEEL COMP 8740 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | WIDTH BETWEEN FLATS | 0.422 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-C-490, TYPE I FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 1.645 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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