5305-01-146-6136 THUMBSCREW Index 5306-01-146-6139 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-01-146-6138

Federal Supply Class:
5306

National Item Identification Number:
011466138

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:
122895-7-1680539SPS TECHNOLOGIES, LLC
AIC687-7-1606725SPS TECHNOLOGIES, LLC
GS1015-7-161EM77B & B SPECIALTIES INC
PBF1265-7-1627624SPS TECHNOLOGIES LLC
MB154-7-1673197HI-SHEAR CORPORATION
MB154-7-16L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
VCG0001-7-1606710VALLEY-TODECO, INC.
VS3174-7-1606950HOWMET GLOBAL FASTENING SYSTEMS INC
S406-7-1617446HUCK INTERNATIONAL, INC
ST3M744-7-1657928SONIC INDUSTRIES, INC.
ST3M744-7-1659728ARTHUR H. THOMAS COMPANY
ST3M744-7-1676301THE BOEING COMPANY
ST3M744-7-1692215HOWMET GLOBAL FASTENING SYSTEMS INC
S406-7-1697928HUCK INTL INC
VS3174-7-1692215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
FASTENER LENGTH1.443 INCHES MINIMUM AND 1.463 INCHES MAXIMUM
GRIP DIAMETER0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
GRIP LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
HEAD HEIGHT0.257 INCHES NOMINAL
HEAD MINOR DIAMETER0.711 INCHES MINIMUM AND 0.717 INCHES MAXIMUM
HEAD STYLESPLINE DRIVE SHEAR HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.433 INCHES MINIMUM AND 0.473 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNJF


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