5340-00-321-9303 TURNBUCKLE BODY Index 5306-00-321-9332 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-00-321-9307

Federal Supply Class:
5306

National Item Identification Number:
003219307

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:
10114234A486GNIMIKKEISTOKESKUS NCB FINLAND
109453-5D1650392SPS TECHNOLOGIES INC
AIC753-5D1606725SPS TECHNOLOGIES, LLC
109453-5D1656878SPS TECHNOLOGIES, LLC
11825-5D1659563REID PRODUCTS INC.
109453-5D1680539SPS TECHNOLOGIES, LLC
HP5453-5D160ZC92HEARTLAND PRECISION FASTENERS INC
BM17019-5D1617446HUCK INTERNATIONAL, INC
GS1016-5D161EM77B & B SPECIALTIES INC
MA5453-5D1658845ABOUNDING SECURITY INC DIV OF MAA CORP
FIT7047-5D1658998FASTENER INNOVATION TECHNOLOGY, INC.
KS3020-5D1659764KENALOY PRODUCTS INC SUB MASCO CORP
MB61-5D1673197HI-SHEAR CORPORATION
BM17019-5D1697928HUCK INTL INC
VAL23029-5D1606710VALLEY-TODECO, INC.
VS3204-5D1606950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M453-5D160UCY9M.S. AEROSPACE INC.
SLB252-5D1616258SPACE-LOK, INC.
S353-5D1617446HUCK INTERNATIONAL, INC
ST3M453-5D161VSL7HOUSTON PRECISION FASTENERS I LP
PBF1253-5D1627624SPS TECHNOLOGIES LLC
S11-1060-5D1657928SONIC INDUSTRIES, INC.
WC453-5D1660516WEST COAST AEROSPACE, INC.
ST3M453-5D1676301THE BOEING COMPANY
US3204-5D1692215HOWMET GLOBAL FASTENING SYSTEMS INC
VS3204-5D1692215HOWMET GLOBAL FASTENING SYSTEMS INC
S353-5D1697928HUCK INTL INC
MB61-5D16L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.327 INCHES MINIMUM AND 1.384 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH1.451 INCHES MINIMUM AND 1.498 INCHES MAXIMUM
GRIP LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
GRIP DIAMETER0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
HEAD HEIGHT0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE
SPECIFICATION/STANDARD DATA08524-B-17019 MANUFACTURERS STANDARD
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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