5310-00-205-3697 NUT,SLEEVE Index 5306-00-205-3701 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-00-205-3700

Federal Supply Class:
5306

National Item Identification Number:
002053700

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:
ACB30NE6H1806710VALLEY-TODECO, INC.
BACB30MF6-1806710VALLEY-TODECO, INC.
BACB30MF6-1806725SPS TECHNOLOGIES, LLC
BACB30MF6-1806950HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30MF6-1817943FEDERAL MANUFACTURING CORP
BACB30MF6-1827624SPS TECHNOLOGIES LLC
BACB30MF6-1856878SPS TECHNOLOGIES, LLC
BACB30MF6-1880539SPS TECHNOLOGIES, LLC
BACB30MF6-1881205THE BOEING COMPANY
BACB30MF6-1892215HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30MF6-1897928HUCK INTL INC
BACB30MF6-18C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
BACB30NE6-1806710VALLEY-TODECO, INC.
BACB30NE6-1806725SPS TECHNOLOGIES, LLC
BACB30NE6-1806950HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30NE6-1819743BAUSCH AND LOMB INC
BACB30NE6-1827624SPS TECHNOLOGIES LLC
BACB30NE6-1856878SPS TECHNOLOGIES, LLC
BACB30NE6-1880539SPS TECHNOLOGIES, LLC
BACB30NE6-1881205THE BOEING COMPANY
BACB30NE6-1892215HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30NE6-1897928HUCK INTL INC
BACB30NE6H1806725SPS TECHNOLOGIES, LLC
BACB30NE6H1806950HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30NE6H1817943FEDERAL MANUFACTURING CORP
BACB30NE6H1827624SPS TECHNOLOGIES LLC
BACB30NE6H1856878SPS TECHNOLOGIES, LLC
BACB30NE6H1880539SPS TECHNOLOGIES, LLC
BACB30NE6H1881205THE BOEING COMPANY
BACB30NE6H1892215HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30NE6H1897928HUCK INTL INC
BACB30NF6H1806710VALLEY-TODECO, INC.
BACB30NF6H1806725SPS TECHNOLOGIES, LLC
BACB30NF6H1806950HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30NF6H1817943FEDERAL MANUFACTURING CORP
BACB30NF6H1827624SPS TECHNOLOGIES LLC
BACB30NF6H1856878SPS TECHNOLOGIES, LLC
BACB30NF6H1880539SPS TECHNOLOGIES, LLC
BACB30NF6H1881205THE BOEING COMPANY
BACB30NF6H1892215HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30NF6H1897928HUCK INTL INC
NAS1306-18H80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS6606-1880205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS6606H1880205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH1.688 INCHES MINIMUM AND 1.718 INCHES MAXIMUM
GRIP DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
GRIP LENGTH1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM
HEAD HEIGHT0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
HEAD STYLEUNDERCUT HEXAGON
MATERIALSTEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
SPECIFICATION/STANDARD DATA81205-BACB30NE MANUFACTURERS STANDARD
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.553 INCHES MINIMUM AND 0.603 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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