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National Stock Number:
5305-01-542-2867
Federal Supply Class:
5305
National Item Identification Number:
015422867
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:
| 120-266E3P5 | 06725 | SPS TECHNOLOGIES, LLC | | 120-266E3P5 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 120-266E3P5 | 0K6Z0 | SATURN FASTENERS INC | | 120-266E3P5 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 120-266E3P5 | 1EM77 | B & B SPECIALTIES INC | | 120-266E3P5 | 1GP79 | PILGRIM SCREW CORP | | 120-266E3P5 | 27624 | SPS TECHNOLOGIES LLC | | 120-266E3P5 | 56878 | SPS TECHNOLOGIES, LLC | | 120-266E3P5 | 62206 | B & B SPECIALTIES INC | | 120-266E3P5 | 62384 | LFC INDUSTRIES INC. | | 120-266E3P5 | 80539 | SPS TECHNOLOGIES, LLC | | 120-266E3P5 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.675 INCHES NOMINAL | | GRIP DIAMETER | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | GRIP LENGTH | 0.312 INCHES NOMINAL | | HEAD DIAMETER | 0.304 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPLINE MAJOR DIAMETER | 0.155 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.363 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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