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National Stock Number:
5305-01-196-5578
Federal Supply Class:
5305
National Item Identification Number:
011965578
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.
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Manufacturer Information:
| HT353P3-13 | 73197 | HI-SHEAR CORPORATION | | HT353P3-13 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT4058-3-13A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4058-3-13A | 17446 | HUCK INTERNATIONAL, INC | | HT4058-3-13A | 56878 | SPS TECHNOLOGIES, LLC | | HT4058-3-13A | 80539 | SPS TECHNOLOGIES, LLC | | ST3M794V-3-13A | 56878 | SPS TECHNOLOGIES, LLC | | ST3M794V-3-13A | 73197 | HI-SHEAR CORPORATION | | ST3M794V3-13A | 76301 | THE BOEING COMPANY | | ST3M794V3-13A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4058-3-13A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4058-3-13A | 97928 | HUCK INTL INC | | ST3M794V3-13A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | ST3M794V-3-13A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.203 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | HEAD HEIGHT | 0.0800 INCHES MINIMUM AND 0.0820 INCHES MAXIMUM | | HEAD DIAMETER | 0.4625 INCHES MINIMUM AND 0.4676 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4967 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPECIAL FEATURES | FURNISHED WITH O'RING | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.381 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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