5306-01-134-0727 BOLT,CLOSE TOLERANCE Index 5306-01-134-0729 BOLT,SHEAR

National Stock Number:
5306-01-134-0728

Federal Supply Class:
5306

National Item Identification Number:
011340728

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:
10115930A486GNIMIKKEISTOKESKUS NCB FINLAND
11823-8D2659563REID PRODUCTS INC.
AIC687-8D2606725SPS TECHNOLOGIES, LLC
GS1015-8D261EM77B & B SPECIALTIES INC
122895-8D2656878SPS TECHNOLOGIES, LLC
122895-8D2680539SPS TECHNOLOGIES, LLC
ST3M744-8D260ZC92HEARTLAND PRECISION FASTENERS INC
SLB748-8D2616258SPACE-LOK, INC.
S406-8D2617446HUCK INTERNATIONAL, INC
ST3M744-8D261VSL7HOUSTON PRECISION FASTENERS I LP
PBF1265-8D2627624SPS TECHNOLOGIES LLC
ST3M744-8D2657928SONIC INDUSTRIES, INC.
MB154-8D2673197HI-SHEAR CORPORATION
S406-8D2697928HUCK INTL INC
VCG0001-8D2606710VALLEY-TODECO, INC.
VS3174-8D2606950HOWMET GLOBAL FASTENING SYSTEMS INC
VS3174-8D2617446HUCK INTERNATIONAL, INC
ST3M744-8D2658998FASTENER INNOVATION TECHNOLOGY, INC.
WC744-8D2660516WEST COAST AEROSPACE, INC.
ST3M744-8D2676301THE BOEING COMPANY
ST3M744-8D2692215HOWMET GLOBAL FASTENING SYSTEMS INC
VS3174-8D2692215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.943 INCHES MINIMUM AND 1.973 INCHES MAXIMUM ALL HOLES
FASTENER LENGTH2.068 INCHES MINIMUM AND 2.088 INCHES MAXIMUM
GRIP DIAMETER0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM
GRIP LENGTH1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM
HEAD HEIGHT0.281 INCHES NOMINAL
HEAD STYLESPLINE DRIVE SHEAR HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
WIDTH BETWEEN FLATS0.774 INCHES MINIMUM AND 0.782 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.433 INCHES MINIMUM AND 0.473 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH20


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