5306-01-580-2030 BOLT,MACHINE Index 5306-01-580-2629 BOLT,MACHINE

National Stock Number:
5306-01-580-2366

Federal Supply Class:
5306

National Item Identification Number:
015802366

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:
NA004506001080205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
GRIP LENGTH10.0 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
HEAD HEIGHT3.2 MILLIMETERS MINIMUM AND 3.5 MILLIMETERS MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT CLOSE TOLERANCE HEXAGON HEAD A-286 CRES 1100 MPA METRIC
NOMINAL THREAD DIAMETER6.0 MILLIMETERS
WIDTH BETWEEN FLATS10.9 MILLIMETERS MINIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH10.0 MILLIMETERS NOMINAL
THREAD PITCH IN MILLIMETERS1.0
THREAD SERIES DESIGNATORMJ


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