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National Stock Number:
5305-01-129-9811
Federal Supply Class:
5305
National Item Identification Number:
011299811
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:
| 10115226 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11873-3-1-4 | 59563 | REID PRODUCTS INC. | | 3M707-3-1-4 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M707-3-1-4 | 56878 | SPS TECHNOLOGIES, LLC | | 3M707-3-1-4 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M707-3-1-4 | 60516 | WEST COAST AEROSPACE, INC. | | HT4041-3-1-4 | 06850 | MIL-BAR PLASTICS, INC. | | HT4041-3-1-4 | 17446 | HUCK INTERNATIONAL, INC | | HT4041-3-1-4 | 56878 | SPS TECHNOLOGIES, LLC | | HT4041-3-1-4 | 73197 | HI-SHEAR CORPORATION | | 3M707-3-1-4 | 76301 | THE BOEING COMPANY | | HT4041-3-1-4 | 80539 | SPS TECHNOLOGIES, LLC | | HT4041-3-1-4 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4041-3-1-4 | 97928 | HUCK INTL INC | | HT4041-3-1-4 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM | | HEAD DIAMETER | 0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM | | HEAD HEIGHT | 0.013 INCHES MAXIMUM | | HEAD STYLE | FILLISTER COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112,TY D,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.163 INCHES MINIMUM AND 0.213 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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