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National Stock Number:
5305-01-191-4594
Federal Supply Class:
5305
National Item Identification Number:
011914594
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:
| 11883-5-15/11883-5L15 | 59563 | REID PRODUCTS INC. | | 3M926-5-15 | 76301 | THE BOEING COMPANY | | HT4068-5-15 | 56878 | SPS TECHNOLOGIES, LLC | | HT4068-5-15 | 73197 | HI-SHEAR CORPORATION | | HT068-5-15A | 73197 | HI-SHEAR CORPORATION | | 3M926-5L15 | 76301 | THE BOEING COMPANY | | HT4068-5-15A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-5-15A | 17446 | HUCK INTERNATIONAL, INC | | HT4068-5-15A | 56878 | SPS TECHNOLOGIES, LLC | | HT4068-5-15A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | HT4068-5-15A | 73197 | HI-SHEAR CORPORATION | | HT4068-5-15 | 80539 | SPS TECHNOLOGIES, LLC | | HT4068-5-15 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-5-15 | 97928 | HUCK INTL INC | | WC4068-5-15 | 60516 | WEST COAST AEROSPACE, INC. | | HT4068-5-15A | 80539 | SPS TECHNOLOGIES, LLC | | HT4068-5-15A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-5-15A | 97928 | HUCK INTL INC | | HT4068-5-15A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4068-5-15A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 101.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.454 INCHES MINIMUM AND 1.484 INCHES MAXIMUM | | GRIP LENGTH | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | HEAD DIAMETER | 0.429 INCHES MINIMUM AND 0.477 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 | 0.312 INCHES | | 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 CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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