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National Stock Number:
5305-01-453-1651
Federal Supply Class:
5305
National Item Identification Number:
014531651
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:
| 11881C3-6A | 59563 | REID PRODUCTS INC. | | 3M925C3-6A | 007R1 | TWIST TITE MFG, INC | | 3M925C3-6A | 76301 | THE BOEING COMPANY | | 3M925C3-6AA | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | HT4067-3-6A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4067-3-6A | 0PTK6 | SPS TECHNOLOGIES INC | | HT4067-3-6A | 17446 | HUCK INTERNATIONAL, INC | | HT4067-3-6A | 73197 | HI-SHEAR CORPORATION | | HT4067-3-6A | 80539 | SPS TECHNOLOGIES, LLC | | HT4067-3-6A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4067-3-6A | 97928 | HUCK INTL INC | | HT4067-3-6A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4067-3-6A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | WC4067-3-6A | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM | | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT AND O RING | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD DIAMETER | 0.3765 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM | | HEAD HEIGHT | 0.0439 INCHES MINIMUM AND 0.0459 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 TY2CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.382 INCHES MINIMUM AND 0.432 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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