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National Stock Number:
5305-01-004-9528
Federal Supply Class:
5305
National Item Identification Number:
010049528
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:
| 10114816 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11923-3-3 | 76301 | THE BOEING COMPANY | | 3929AS1227-3R3 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 3929AS1227-3R3 | 80539 | SPS TECHNOLOGIES, LLC | | HT4027-3-3 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-3-3 | 17446 | HUCK INTERNATIONAL, INC | | HT4027-3-3 | 56878 | SPS TECHNOLOGIES, LLC | | HT4027-3-3 | 73197 | HI-SHEAR CORPORATION | | HT4027-3-3 | 80539 | SPS TECHNOLOGIES, LLC | | HT4027-3-3 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-3-3 | 97928 | HUCK INTL INC | | HT4027-3-3 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT4027-3-33 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M557-3-3 | 06710 | VALLEY-TODECO, INC. | | ST3M557-3-3 | 06725 | SPS TECHNOLOGIES, LLC | | ST3M557-3-3 | 0K6Z0 | SATURN FASTENERS INC | | ST3M557-3-3 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M557-3-3 | 17446 | HUCK INTERNATIONAL, INC | | ST3M557-3-3 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M557-3-3 | 27624 | SPS TECHNOLOGIES LLC | | ST3M557-3-3 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | ST3M557-3-3 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M557-3-3 | 59563 | REID PRODUCTS INC. | | ST3M557-3-3 | 76301 | THE BOEING COMPANY | | ST3M557-3-3 | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE | | WC4027-3-3 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.578 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | GRIP LENGTH | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | HEAD DIAMETER | 0.296 INCHES MINIMUM AND 0.301 INCHES MAXIMUM | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-118 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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