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National Stock Number:
5305-01-478-2839
Federal Supply Class:
5305
National Item Identification Number:
014782839
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:
| 10113833 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11825-V3-20A | 59563 | REID PRODUCTS INC. | | TX1027V3-20A | 06725 | SPS TECHNOLOGIES, LLC | | TX1027V3-20A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 11845-V3-20A | 59563 | REID PRODUCTS INC. | | 3M1170-V3-20A | 76301 | THE BOEING COMPANY | | TX1027V3-20A | 0PTK6 | SPS TECHNOLOGIES INC | | TX1027V3-20A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | TX1027V3-20A | 27624 | SPS TECHNOLOGIES LLC | | TX1027V3-20A | 56878 | SPS TECHNOLOGIES, LLC | | TX1027V3-20A | 73197 | HI-SHEAR CORPORATION | | TX1027V3-20A | 80539 | SPS TECHNOLOGIES, LLC | | TX1027V3-20A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.585 INCHES MINIMUM AND 1.605 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | HEAD DIAMETER | 0.293 INCHES MINIMUM AND 0.301 INCHES MAXIMUM | | HEAD HEIGHT | 0.046 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | MATERIAL DOCUMENT AND CLASSIFICATION | NAS4004 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | MINIMUM TENSILE STRENGTH | 2200 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPLINE MAJOR DIAMETER | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.335 INCHES MINIMUM AND 0.355 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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