5305-01-280-6735 SCREW,SHOULDER Index 5305-01-280-6737 SCREW,CLOSE TOLERANCE

National Stock Number:
5306-01-280-6736

Federal Supply Class:
5306

National Item Identification Number:
012806736

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:
10116197A486GNIMIKKEISTOKESKUS NCB FINLAND
11823-7-1759563REID PRODUCTS INC.
AIC687-7-1706725SPS TECHNOLOGIES, LLC
MB154-7-1773197HI-SHEAR CORPORATION
122895-7-1780539SPS TECHNOLOGIES, LLC
MB154-7-17L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
VCG0001-7-1706710VALLEY-TODECO, INC.
VS3174-7-1706950HOWMET GLOBAL FASTENING SYSTEMS INC
S406-7-1717446HUCK INTERNATIONAL, INC
PBF1265-7-1727624SPS TECHNOLOGIES LLC
ST3M744-7-1776301THE BOEING COMPANY
VS3174-7-1792215HOWMET GLOBAL FASTENING SYSTEMS INC
S406-7-1797928HUCK INTL INC


Techincal Specification:
FASTENER LENGTH1.505 INCHES MINIMUM AND 1.525 INCHES MAXIMUM
GRIP DIAMETER0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
GRIP LENGTH1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
HEAD HEIGHT0.257 INCHES NOMINAL
HEAD MINOR DIAMETER0.711 INCHES MINIMUM AND 0.717 INCHES MAXIMUM
HEAD STYLESPLINE DRIVE SHEAR HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.438 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.430 INCHES MINIMUM AND 0.473 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH20


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