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National Stock Number:
5305-01-579-9838
Federal Supply Class:
5305
National Item Identification Number:
015799838
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:
| 11923-9-16 | 59563 | REID PRODUCTS INC. | | HT4027-9-16 | 06725 | SPS TECHNOLOGIES, LLC | | HT4027-9-16 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-9-16 | 17446 | HUCK INTERNATIONAL, INC | | HT4027-9-16 | 56878 | SPS TECHNOLOGIES, LLC | | HT4027-9-16 | 73197 | HI-SHEAR CORPORATION | | HT4027-9-16 | 80539 | SPS TECHNOLOGIES, LLC | | HT4027-9-16 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M557-9-16 | 06710 | VALLEY-TODECO, INC. | | ST3M557-9-16 | 0K6Z0 | SATURN FASTENERS INC | | ST3M557-9-16 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M557-9-16 | 17446 | HUCK INTERNATIONAL, INC | | ST3M557-9-16 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M557-9-16 | 27624 | SPS TECHNOLOGIES LLC | | ST3M557-9-16 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | ST3M557-9-16 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M557-9-16 | 59563 | REID PRODUCTS INC. | | ST3M557-9-16 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M557-9-16 | 76301 | THE BOEING COMPANY | | ST3M557-9-16 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M557-9-16 | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE | | WC4027-9-16 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.906 INCHES NOMINAL | | GRIP DIAMETER | 0.561 INCHES MINIMUM AND 0.562 INCHES MAXIMUM | | GRIP LENGTH | 1.000 INCHES NOMINAL | | HEAD DIAMETER | 0.838 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.562 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.906 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNJF |
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