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National Stock Number:
5305-01-417-9050
Federal Supply Class:
5305
National Item Identification Number:
014179050
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:
| 10328844 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11825D3-1/11825D3-1A | 59563 | REID PRODUCTS INC. | | 3M1170D3-1 | 06710 | VALLEY-TODECO, INC. | | 3M1170D3-1 | 06725 | SPS TECHNOLOGIES, LLC | | 3M1170D3-1 | 17446 | HUCK INTERNATIONAL, INC | | 11845D3-1/11845D3-1A | 59563 | REID PRODUCTS INC. | | 3M1170D3-1 | 1EM77 | B & B SPECIALTIES INC | | 3M1170D3-1 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M1170D3-1 | 27624 | SPS TECHNOLOGIES LLC | | 3M1170D3-1 | 56878 | SPS TECHNOLOGIES, LLC | | 3M1170D3-1 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M1170D3-1 | 59563 | REID PRODUCTS INC. | | 3M1170D3-1 | 60516 | WEST COAST AEROSPACE, INC. | | 3M1170D3-1 | 73197 | HI-SHEAR CORPORATION | | TX1027D3-1A | 06725 | SPS TECHNOLOGIES, LLC | | TX1027D3-1 | 06725 | SPS TECHNOLOGIES, LLC | | TX1027D3-1A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1027D3-1A | 0PTK6 | SPS TECHNOLOGIES INC | | TX1027D3-1A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | HP1170D3-1A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | TX1027D3-1A | 27624 | SPS TECHNOLOGIES LLC | | TX1027D3-1A | 56878 | SPS TECHNOLOGIES, LLC | | TX1027D3-1A | 73197 | HI-SHEAR CORPORATION | | TX1027D3-1 | 73197 | HI-SHEAR CORPORATION | | 3M1170D3-1 | 76301 | THE BOEING COMPANY | | 3M1170D3-1A | 76301 | THE BOEING COMPANY | | TX1027D3-1A | 80539 | SPS TECHNOLOGIES, LLC | | TX1027D3-1A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1027D3-1A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | TX1027D3-1A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.397 INCHES MINIMUM AND 0.417 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM | | HEAD DIAMETER | 0.293 INCHES MINIMUM AND 0.301 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE III | | MATERIAL | STEEL COMP XM-13 OVERALL | | MINIMUM TENSILE STRENGTH | 2200 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.345 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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