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National Stock Number:
5305-01-594-6977
Federal Supply Class:
5305
National Item Identification Number:
015946977
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:
| TX1020V3-3 | 06725 | SPS TECHNOLOGIES, LLC | | TX1020V3-3 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1020V3-3 | 27624 | SPS TECHNOLOGIES LLC | | TX1020V3-3 | 56878 | SPS TECHNOLOGIES, LLC | | TX1020V3-3 | 73197 | HI-SHEAR CORPORATION | | TX1020V3-3 | 80539 | SPS TECHNOLOGIES, LLC | | TX1020V3-3 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1020V3-3 | 93907 | TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.5175 INCHES MINIMUM AND 0.5475 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.1875 INCHES NOMINAL | | HEAD DIAMETER | 0.279 INCHES MINIMUM AND 0.303 INCHES MAXIMUM | | HEAD HEIGHT | 0.049 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | MATERIAL DOCUMENT AND CLASSIFICATION | NAS 4004 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,100DEG REDUCED HEAD,TORX RECESS,95KSI SHEAR | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 2000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.1900 INCHES | | SPLINE MAJOR DIAMETER | 0.152 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.345 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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