5305-00-676-9205 SCREW,MACHINE Index 2540-00-676-9209 CUSHION,SEAT,VEHICULAR

National Stock Number:
5306-00-676-9208

Federal Supply Class:
5306

National Item Identification Number:
006769208

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:
AIC220EL3H406725SPS TECHNOLOGIES, LLC
C083-3H456878SPS TECHNOLOGIES, LLC
C083-3H481755LOCKHEED MARTIN CORPORATION
LWB22-3H456878SPS TECHNOLOGIES, LLC
LWB22-3H480539SPS TECHNOLOGIES, LLC
VS2201F3H406950HOWMET GLOBAL FASTENING SYSTEMS INC
VS2201F3H492215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
EXTENDED WASHER DIAMETER0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.054 INCHES MINIMUM AND 0.074 INCHES MAXIMUM
FASTENER LENGTH0.569 INCHES MINIMUM AND 0.599 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
WIDTH BETWEEN FLATS0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.309 INCHES MINIMUM AND 0.359 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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