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National Stock Number:
5305-01-518-3301
Federal Supply Class:
5305
National Item Identification Number:
015183301
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:
| 11827C3-3AF | 59563 | REID PRODUCTS INC. | | 3M1169C3-3AF | 007R1 | TWIST TITE MFG, INC | | 3M1169C3-3AF | 06710 | VALLEY-TODECO, INC. | | 3M1169C3-3AF | 0K6Z0 | SATURN FASTENERS INC | | 3M1169C3-3AF | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M1169C3-3AF | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M1169C3-3AF | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M1169C3-3AF | 76301 | THE BOEING COMPANY | | GS1006C3-3AF | 1EM77 | B & B SPECIALTIES INC | | TX1026C3-3AF | 06725 | SPS TECHNOLOGIES, LLC | | TX1026C3-3AF | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026C3-3AF | 0PTK6 | SPS TECHNOLOGIES INC | | TX1026C3-3AF | 17446 | HUCK INTERNATIONAL, INC | | TX1026C3-3AF | 27624 | SPS TECHNOLOGIES LLC | | TX1026C3-3AF | 56878 | SPS TECHNOLOGIES, LLC | | TX1026C3-3AF | 73197 | HI-SHEAR CORPORATION | | TX1026C3-3AF | 80539 | SPS TECHNOLOGIES, LLC | | TX1026C3-3AF | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026C3-3AF | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | TX1026C3-3AF | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | TX1026C3-3AF | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE | | WC1169C3-3AF | 60515 | DYNAQUIP CONTROLS CORPORATION | | WC1169C3-3AF | 60516 | WEST COAST AEROSPACE, INC. | | TX1026C3-3AF | K8753 | LINREAD NORTHBRIDGE AIRCRAFT PRODUCT DIVISION | | GS1006C3-3AF | 0EM77 | SACAJAWEA ENTERPRISES |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.643 INCHES MINIMUM AND 0.673 INCHES MAXIMUM | | GRIP LENGTH | 0.313 INCHES NOMINAL | | GRIP DIAMETER | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | HEAD DIAMETER | 0.372 INCHES MINIMUM AND 0.381 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | MATERIAL DOCUMENT AND CLASSIFICATION | INCONEL 718;PER AMS 5662 MFR REF 1ST MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | POINT STYLE | FLAT | | SPLINE MAJOR DIAMETER | 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.345 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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