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National Stock Number:
5305-01-532-7319
Federal Supply Class:
5305
National Item Identification Number:
015327319
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:
| 11931-3D29 | 59563 | REID PRODUCTS INC. | | HT4049-3D29 | 06725 | SPS TECHNOLOGIES, LLC | | HT4049-3D29 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4049-3D29 | 17446 | HUCK INTERNATIONAL, INC | | HT4049-3D29 | 27624 | SPS TECHNOLOGIES LLC | | HT4049-3D29 | 56878 | SPS TECHNOLOGIES, LLC | | HT4049-3D29 | 73197 | HI-SHEAR CORPORATION | | HT4049-3D29 | 80539 | SPS TECHNOLOGIES, LLC | | HT4049-3D29 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4049-3D29 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4049-3D29 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M714-3D29 | 06710 | VALLEY-TODECO, INC. | | ST3M714-3D29 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M714-3D29 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M714-3D29 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M714-3D29 | 76301 | THE BOEING COMPANY | | WC4049-3D29 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.261 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | GRIP DIAMETER | 0.189 INCHES MINIMUM AND 0.190 INCHES MAXIMUM | | GRIP LENGTH | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM | | HEAD DIAMETER | 0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | HOLE DIAMETER | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | POINT STYLE | FLAT | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.276 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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