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National Stock Number:
5305-01-563-3863
Federal Supply Class:
5305
National Item Identification Number:
015633863
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:
| 11923-6-13 | 59563 | REID PRODUCTS INC. | | HT4027-6-13 | 06590 | APEX ENGINEERING PRODUCTS CORP | | HT4027-6-13 | 06725 | SPS TECHNOLOGIES, LLC | | HT4027-6-13 | 0PTK6 | SPS TECHNOLOGIES INC | | HT4027-6-13 | 17446 | HUCK INTERNATIONAL, INC | | HT4027-6-13 | 27624 | SPS TECHNOLOGIES LLC | | HT4027-6-13 | 56878 | SPS TECHNOLOGIES, LLC | | HT4027-6-13 | 73197 | HI-SHEAR CORPORATION | | HT4027-6-13 | 80539 | SPS TECHNOLOGIES, LLC | | HT4027-6-13 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-6-13 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M557-6-13 | 03601 | SWIFT OHIO CORP | | ST3M557-6-13 | 06710 | VALLEY-TODECO, INC. | | ST3M557-6-13 | 0K6Z0 | SATURN FASTENERS INC | | ST3M557-6-13 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M557-6-13 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M557-6-13 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | ST3M557-6-13 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M557-6-13 | 59563 | REID PRODUCTS INC. | | ST3M557-6-13 | 76301 | THE BOEING COMPANY | | ST3M557-6-13 | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE | | WC4027-6-13 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.447 INCHES NOMINAL | | GRIP DIAMETER | 0.374 INCHES NOMINAL | | GRIP LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM | | HEAD DIAMETER | 0.564 INCHES NOMINAL | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.641 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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