5330-00-062-4252 GASKET Index 5325-00-062-4256 RING,RETAINING

National Stock Number:
5306-00-062-4254

Federal Supply Class:
5306

National Item Identification Number:
000624254

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.


Manufacturer Information:
3M33-4-206710VALLEY-TODECO, INC.
3M33-4-206725SPS TECHNOLOGIES, LLC
3M33-4-206950HOWMET GLOBAL FASTENING SYSTEMS INC
3M33-4-217446HUCK INTERNATIONAL, INC
3M33-4-227624SPS TECHNOLOGIES LLC
3M33-4-276301THE BOEING COMPANY
3M33-4-292215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.437 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH0.594 INCHES NOMINAL
GRIP DIAMETER0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
GRIP LENGTH0.125 INCHES NOMINAL
HEAD HEIGHT0.156 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES NOMINAL FIRST HOLE
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.469 INCHES MINIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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