5306-01-374-9823 BOLT,CLOSE TOLERANCE Index 5305-01-374-9825 SCREW,CLOSE TOLERANCE

National Stock Number:
5306-01-374-9824

Federal Supply Class:
5306

National Item Identification Number:
013749824

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:
109453-9-2356878SPS TECHNOLOGIES, LLC
11825-9-2359563REID PRODUCTS INC.
AIC753-9-2306725SPS TECHNOLOGIES, LLC
BM17019-9-2317419DEUTSCH CO THE
MB61-9-2373197HI-SHEAR CORPORATION
MB61-9-23L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M453-9-2306710VALLEY-TODECO, INC.
ST3M453-9-230JV78J M PRECISION INC
S353-9-2317446HUCK INTERNATIONAL, INC
PBF1253-9-2327624SPS TECHNOLOGIES LLC
ST3M453-9-2357928SONIC INDUSTRIES, INC.
ST3M453-9-2358845ABOUNDING SECURITY INC DIV OF MAA CORP
SR3M453-9-2376301THE BOEING COMPANY
S353-9-2397928HUCK INTL INC
VS3204-9-2306950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M453-9-2358898PLASTIC SEALING CORP
ST3M453-9-2359764KENALOY PRODUCTS INC SUB MASCO CORP
ST3M453-9-2376301THE BOEING COMPANY
ST3M453-9-2392215HOWMET GLOBAL FASTENING SYSTEMS INC
VS3204-9-2392215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
FASTENER LENGTH2.146 INCHES MINIMUM AND 2.193 INCHES MAXIMUM
GRIP DIAMETER0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM
GRIP LENGTH1.427 INCHES MINIMUM AND 1.447 INCHES MAXIMUM
HEAD HEIGHT0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON
MATERIALSTEEL COMP XM-13 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.562 INCHES
WIDTH BETWEEN FLATS0.877 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.725 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH18


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