5305-01-044-8527 SCREW,CAP,HEXAGON HEAD Index 5306-01-044-8530 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-01-044-8529

Federal Supply Class:
5306

National Item Identification Number:
010448529

Description:
BOLT,CLOSE TOLERANCE

Detail:
An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.


Manufacturer Information:
109453-5D4056878SPS TECHNOLOGIES, LLC
109453-5D4080539SPS TECHNOLOGIES, LLC
AIC753-5D4006725SPS TECHNOLOGIES, LLC
BM17019-5D4017446HUCK INTERNATIONAL, INC
11825-5D4059563REID PRODUCTS INC.
BM17019-5D4097928HUCK INTL INC
HP5453-5D400ZC92HEARTLAND PRECISION FASTENERS INC
S353-5D4017446HUCK INTERNATIONAL, INC
GS1016-5D401EM77B & B SPECIALTIES INC
PBF1253-5D4027624SPS TECHNOLOGIES LLC
S11-1060-5D4057928SONIC INDUSTRIES, INC.
FIT7047-5D4058998FASTENER INNOVATION TECHNOLOGY, INC.
MB61-5D4073197HI-SHEAR CORPORATION
MB61-5D40L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
VAL23029-5D4006710VALLEY-TODECO, INC.
VS3204-5D4006950HOWMET GLOBAL FASTENING SYSTEMS INC
US3204-5D4006950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M453-5D400UCY9M.S. AEROSPACE INC.
SLB252-5D4016258SPACE-LOK, INC.
ST3M453-5D401VSL7HOUSTON PRECISION FASTENERS I LP
WC453-5D4060516WEST COAST AEROSPACE, INC.
ST3M453-5D4076301THE BOEING COMPANY
US3204-5D4092215HOWMET GLOBAL FASTENING SYSTEMS INC
S353-5D4097928HUCK INTL INC


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.827 INCHES MINIMUM AND 2.884 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH2.951 INCHES MINIMUM AND 2.998 INCHES MAXIMUM
GRIP DIAMETER0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
GRIP LENGTH2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM
HEAD HEIGHT0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE
SPECIFICATION/STANDARD DATA76301-ST3-453 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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