5305-01-004-9525 SCREW,SHOULDER Index 5305-01-004-9528 SCREW,CLOSE TOLERANCE

National Stock Number:
5306-01-004-9527

Federal Supply Class:
5306

National Item Identification Number:
010049527

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:
109453-8D2956878SPS TECHNOLOGIES, LLC
109453-8D2980539SPS TECHNOLOGIES, LLC
11825-8D2959563REID PRODUCTS INC.
AIC753-8D2906725SPS TECHNOLOGIES, LLC
BM17019-8D2917446HUCK INTERNATIONAL, INC
BM17019-8D2997928HUCK INTL INC
F1T047-8D2958998FASTENER INNOVATION TECHNOLOGY, INC.
GS1016-8D291EM77B & B SPECIALTIES INC
HP5453-8D290ZC92HEARTLAND PRECISION FASTENERS INC
MB61-8D2973197HI-SHEAR CORPORATION
MB61-8D29L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
PBF1253-8D2927624SPS TECHNOLOGIES LLC
S11-1060-8D2957928SONIC INDUSTRIES, INC.
ST3M453-8D2976301THE BOEING COMPANY
US3204-8D2992215HOWMET GLOBAL FASTENING SYSTEMS INC
VAL23029-8D2906710VALLEY-TODECO, INC.
VS3204-8D2906950HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.317 INCHES MINIMUM AND 2.374 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH2.445 INCHES MINIMUM AND 2.492 INCHES MAXIMUM
GRIP DIAMETER0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM
GRIP LENGTH1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM
HEAD HEIGHT0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.500 INCHES
SHANK UNTHREADED HOLE DIAMETER0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE
SPECIFICATION/STANDARD DATA08524-B-17019 MANUFACTURERS STANDARD
WIDTH BETWEEN FLATS0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.623 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNJF


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