5306-01-078-5979 BOLT,CLOSE TOLERANCE Index 5305-01-078-5981 SCREW,CLOSE TOLERANCE

National Stock Number:
5306-01-078-5980

Federal Supply Class:
5306

National Item Identification Number:
010785980

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:
642AS0735-630003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
74328-5-1256878SPS TECHNOLOGIES, LLC
74328-5-1280539SPS TECHNOLOGIES, LLC
AIC752-5-1206725SPS TECHNOLOGIES, LLC
BM3326-5-1217446HUCK INTERNATIONAL, INC
BM3326-5-1297928HUCK INTL INC
MB84-5-1273197HI-SHEAR CORPORATION
MB84-5-12L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
S11-1059-5-1257928SONIC INDUSTRIES, INC.
S371-5-1217446HUCK INTERNATIONAL, INC
S371-5-1297928HUCK INTL INC
ST3M571-5-120ZC92HEARTLAND PRECISION FASTENERS INC
ST3M571-5-1227624SPS TECHNOLOGIES LLC
ST3M571-5-1256878SPS TECHNOLOGIES, LLC
ST3M571-5-1258998FASTENER INNOVATION TECHNOLOGY, INC.
VAL23033-5-1206710VALLEY-TODECO, INC.
VS3060-5-1206950HOWMET GLOBAL FASTENING SYSTEMS INC
VS3060-5-1292215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
EXTENDED WASHER THICKNESS0.082 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
FASTENER LENGTH1.286 INCHES MINIMUM AND 1.316 INCHES MAXIMUM
GRIP DIAMETER0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
GRIP LENGTH0.750 INCHES NOMINAL
HEAD HEIGHT0.348 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 TY 1 OR TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.536 INCHES MINIMUM AND 0.566 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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