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National Stock Number:
5305-01-546-4127
Federal Supply Class:
5305
National Item Identification Number:
015464127
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:
| 120-276C3T28P | 06725 | SPS TECHNOLOGIES, LLC | | 120-276C3T28P | 0K6Z0 | SATURN FASTENERS INC | | 120-276C3T28P | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 120-276C3T28P | 1EM77 | B & B SPECIALTIES INC | | 120-276C3T28P | 1ER65 | 3-V FASTENER CO., INC. | | 120-276C3T28P | 1GP79 | PILGRIM SCREW CORP | | 120-276C3T28P | 27624 | SPS TECHNOLOGIES LLC | | 120-276C3T28P | 56878 | SPS TECHNOLOGIES, LLC | | 120-276C3T28P | 62206 | B & B SPECIALTIES INC | | 120-276C3T28P | 62384 | LFC INDUSTRIES INC. | | 120-276C3T28P | 80539 | SPS TECHNOLOGIES, LLC | | 120-276C3T28P | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| FASTENER LENGTH | 2.026 INCHES NOMINAL | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 1.750 INCHES NOMINAL | | INTERNAL DRIVE STYLE | TORX | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE AND AMS5732 ASSN STD SINGLE MATERIAL RESPONSE AND AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | POINT STYLE | FLAT | | SPECIAL TEST FEATURES | HEAT TREAT 160-190 KSI FTU PRECIP HARDEN PER AMS 5853 | | SPLINE MAJOR DIAMETER | 0.155 INCHES NOMINAL | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | THREAD CLASS | 3A | | THREAD LENGTH | 0.276 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJC |
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