5306-01-167-0299 BOLT,CLOSE TOLERANCE Index 5310-01-167-0301 NUT ASSEMBLY,SELF-LOCKING,GANG C

National Stock Number:
5306-01-167-0300

Federal Supply Class:
5306

National Item Identification Number:
011670300

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:
LD111-002606725SPS TECHNOLOGIES, LLC
LD111-002673197HI-SHEAR CORPORATION
LD111-002680539SPS TECHNOLOGIES, LLC
LD111-0026L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
LD111-0026-443143999THE BOEING COMPANY


Techincal Specification:
FASTENER LENGTH2.972 INCHES MINIMUM AND 3.002 INCHES MAXIMUM
GRIP DIAMETER0.8735 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM
GRIP LENGTH1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.468 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.875 INCHES
WIDTH BETWEEN FLATS1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.024 INCHES MINIMUM AND 1.074 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH14


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