5305-01-194-8484 SCREW,CLOSE TOLERANCE Index 5305-01-194-8486 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-194-8485

Federal Supply Class:
5305

National Item Identification Number:
011948485

Description:
SCREW,CLOSE TOLERANCE

Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (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 designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
HT353P3-1073197HI-SHEAR CORPORATION
HT353P3-10L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT4058-3-10A06950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4058-3-10A17446HUCK INTERNATIONAL, INC
HT4058-3-10A56878SPS TECHNOLOGIES, LLC
HT4058-3-10A80539SPS TECHNOLOGIES, LLC
ST3M794V3-10A0PTK6SPS TECHNOLOGIES INC
ST3M794V3-10A76301THE BOEING COMPANY
ST3M794V-10A80539SPS TECHNOLOGIES, LLC
ST3M794V3-10A92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4058-3-10A92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4058-3-10A97928HUCK INTL INC


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH1.015 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD HEIGHT0.0800 INCHES MINIMUM AND 0.0820 INCHES MAXIMUM
HEAD DIAMETER0.4625 INCHES MINIMUM AND 0.4672 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4967 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIAL FEATURESFURNISHED WITH 0'RING
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH32


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