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National Stock Number:
5305-01-169-6749
Federal Supply Class:
5305
National Item Identification Number:
011696749
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:
| 123179V3R3 | 0PTK6 | SPS TECHNOLOGIES INC | | 123179V3R3 | 80539 | SPS TECHNOLOGIES, LLC | | AIC4040V3-03 | 06725 | SPS TECHNOLOGIES, LLC | | AIC4040V3-2303R | 06725 | SPS TECHNOLOGIES, LLC | | LE111-0041-0303 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 123179V3T3 | 80539 | SPS TECHNOLOGIES, LLC | | SC1786RV3-2303 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | T181-0303 | 17446 | HUCK INTERNATIONAL, INC | | LE111-0041-0303 | 27624 | SPS TECHNOLOGIES LLC | | PBF1383-2303 | 27624 | SPS TECHNOLOGIES LLC | | LE111-0041-2303 | 43999 | THE BOEING COMPANY | | LE111-0041-0303 | 43999 | THE BOEING COMPANY | | LE111-0041-0303 | 57928 | SONIC INDUSTRIES, INC. | | SII-1092-2303 | 57928 | SONIC INDUSTRIES, INC. | | T181-2303 | 17446 | HUCK INTERNATIONAL, INC | | T181-2303 | 97928 | HUCK INTL INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.324 INCHES MINIMUM AND | | 0.354 INCHES MAXIMUM | | FASTENER LENGTH | 0.511 INCHES MINIMUM AND | | 0.541 INCHES MAXIMUM | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH | | HEAD STYLE | OVAL COUNTERSUNK | | HEAD DIAMETER | 0.297 INCHES MINIMUM AND | | 0.302 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | GRIP LENGTH | 0.187 INCHES NOMINAL | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND | | 0.1895 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | SPECIAL FEATURES | INTERNAL DRIVE RIBBED |
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