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National Stock Number:
5305-01-104-8393
Federal Supply Class:
5305
National Item Identification Number:
011048393
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:
| 10115024 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11883-3-7/11883-3L7 | 59563 | REID PRODUCTS INC. | | 3M926-3L7 | 007R1 | TWIST TITE MFG, INC | | 3M926-3L7 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M926-3L7 | 17446 | HUCK INTERNATIONAL, INC | | 3M926-3-7 | 76301 | THE BOEING COMPANY | | 3M926-3L7 | 56878 | SPS TECHNOLOGIES, LLC | | HT4068-3-7 | 56878 | SPS TECHNOLOGIES, LLC | | 3M926-3L7 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M926-3L7 | 60516 | WEST COAST AEROSPACE, INC. | | 3M926-3L7 | 73197 | HI-SHEAR CORPORATION | | 3M926-3L7 | 76301 | THE BOEING COMPANY | | 3M926-3L7 | 80539 | SPS TECHNOLOGIES, LLC | | 3M926-3L7 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4068-3-7A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-3-7A | 17446 | HUCK INTERNATIONAL, INC | | HT4068-3-7A | 56878 | SPS TECHNOLOGIES, LLC | | WC4068-3-7A | 60516 | WEST COAST AEROSPACE, INC. | | HT4068-3-7 | 73197 | HI-SHEAR CORPORATION | | HT4068-3-7A | 73197 | HI-SHEAR CORPORATION | | HT4068-3-7A | 80539 | SPS TECHNOLOGIES, LLC | | HT4068-3-7A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-3-7 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-3-7A | 97928 | HUCK INTL INC | | HT4068-3-7A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4068-3-7A | 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 | 0.381 INCHES MINIMUM AND | | 0.431 INCHES MAXIMUM | | FASTENER LENGTH | 0.829 INCHES MINIMUM AND | | 0.859 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | OVAL COUNTERSUNK | | HEAD DIAMETER | 0.2966 INCHES MINIMUM AND | | 0.3016 INCHES MAXIMUM | | COUNTERSINK ANGLE | 101.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | GRIP LENGTH | 0.428 INCHES MINIMUM AND | | 0.448 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND | | 0.1895 INCHES MAXIMUM |
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