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National Stock Number:
5306-01-580-5740
Federal Supply Class:
5306
National Item Identification Number:
015805740
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:
| MS14181-07032L | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.807 INCHES MINIMUM AND 0.817 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM | | FASTENER LENGTH | 1.226 INCHES NOMINAL | | GRIP DIAMETER | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | GRIP LENGTH | 0.438 INCHES NOMINAL | | HEAD HEIGHT | 0.383 INCHES MINIMUM AND 0.403 INCHES MAXIMUM | | HEAD MINOR DIAMETER | 0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | HEAD STYLE | SPLINE EXTENDED WASHER | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT TENSION NICKEL ALLOY 718 200 KSI FTU EXTERNAL WRENCHING SPLINE DRIVE FLANGED HEAD | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.763 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNJF |
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