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National Stock Number:
5305-01-231-7419
Federal Supply Class:
5305
National Item Identification Number:
012317419
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:
| 11883-6L27 | 59563 | REID PRODUCTS INC. | | 3M926 | 76301 | THE BOEING COMPANY | | 3M926-6L27 | 17446 | HUCK INTERNATIONAL, INC | | 3M926-6L27 | 73197 | HI-SHEAR CORPORATION | | 3M926-6L27 | 76301 | THE BOEING COMPANY | | 3M926-6L27 | 80539 | SPS TECHNOLOGIES, LLC | | HT4068-6-27A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-6-27A | 17446 | HUCK INTERNATIONAL, INC | | HT4068-6-27A | 56878 | SPS TECHNOLOGIES, LLC | | HT4068-6-27A | 73197 | HI-SHEAR CORPORATION | | HT4068-6-27A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M926-6L27 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M926-6L27 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | 3M926-6L27 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT4068-6-27A | 97928 | HUCK INTL INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 101.0 DEGREES NOMINAL | | FASTENER LENGTH | 2.314 INCHES MINIMUM AND 2.344 INCHES MAXIMUM | | GRIP DIAMETER | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM | | GRIP LENGTH | 1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM | | HEAD DIAMETER | 0.510 INCHES MINIMUM AND 0.564 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | 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 | 0.375 INCHES | | SPECIAL FEATURES | CETYL ALCOHOL LUBRICATION | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TYPE 2,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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