8305-00-205-3518 CLOTH,MUSLIN Index 3110-00-205-3524 BEARING,BALL,ANNULAR

National Stock Number:
5306-00-205-3521

Federal Supply Class:
5306

National Item Identification Number:
002053521

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:
MS21250-0505206710VALLEY-TODECO, INC.
MS21250-0505206950HOWMET GLOBAL FASTENING SYSTEMS INC
MS21250-0505217446HUCK INTERNATIONAL, INC
MS21250-0505227624SPS TECHNOLOGIES LLC
MS21250-0505250945MERCURY AEROSPACE FASTENERS INC
MS21250-0505252628CHANDLER CRAFTSMAN CONTROLS
MS21250-0505256878SPS TECHNOLOGIES, LLC
MS21250-0505257472ALL MANUFACTURERS, INC.
MS21250-0505270276ALLEN MFG CO SUB OF CHICAGO PNEUMATIC TOOL CO
MS21250-0505292215HOWMET GLOBAL FASTENING SYSTEMS INC
MS21250-0505293907TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS
MS21250-0505296906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS21250-0505297928HUCK INTL INC
NASM21250-MS21250-0505280205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
VFK100G-0505206710VALLEY-TODECO, INC.


Techincal Specification:
EXTENDED WASHER DIAMETER0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.082 INCHES NOMINAL
FASTENER LENGTH3.849 INCHES NOMINAL
GRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
GRIP LENGTH3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.348 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON W/HOLE
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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