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National Stock Number:
5305-01-417-2494
Federal Supply Class:
5305
National Item Identification Number:
014172494
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:
| 10113799 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11827V3-15A | 59563 | REID PRODUCTS INC. | | 3M1169V3-15A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M1169V3-15A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M1169V3-15A | 76301 | THE BOEING COMPANY | | 3M1169V-3-15 | 76301 | THE BOEING COMPANY | | TX1026V-3-15 | 06725 | SPS TECHNOLOGIES, LLC | | TX1026V3-15A | 06725 | SPS TECHNOLOGIES, LLC | | TX1026V3-15A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026V3-15A | 0PTK6 | SPS TECHNOLOGIES INC | | GS1006V3-15A | 1EM77 | B & B SPECIALTIES INC | | TX1026V3-15A | 27624 | SPS TECHNOLOGIES LLC | | TX1026V3-15A | 56878 | SPS TECHNOLOGIES, LLC | | TX1026V3-15A | 73197 | HI-SHEAR CORPORATION | | TX1026V3-15A | 80539 | SPS TECHNOLOGIES, LLC | | TX1026V3-15A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | TX1026V3-15A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.345 INCHES NOMINAL | | FASTENER LENGTH | 1.268 INCHES MINIMUM AND | | 1.298 INCHES MAXIMUM | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | HEAD DIAMETER | 0.345 INCHES MINIMUM AND | | 0.373 INCHES MAXIMUM | | HEAD HEIGHT | 0.084 INCHES NOMINAL | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | GRIP LENGTH | 0.928 INCHES MINIMUM AND | | 0.948 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND | | 0.1995 INCHES MAXIMUM |
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