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National Stock Number:
5305-01-468-9542
Federal Supply Class:
5305
National Item Identification Number:
014689542
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:
| 11853D4D34-6A | 59563 | REID PRODUCTS INC. | | 3M126 | 0PTK6 | SPS TECHNOLOGIES INC | | 3M1262D4D34-6A | 06725 | SPS TECHNOLOGIES, LLC | | 3M1262D4D34-6A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M1262D4D34-6A | 27624 | SPS TECHNOLOGIES LLC | | 3M1262D4D34-6A | 56878 | SPS TECHNOLOGIES, LLC | | TX1024D4D34-6A | 06725 | SPS TECHNOLOGIES, LLC | | TX1024D4D34-6A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1024D4D34-6A | 0PTK6 | SPS TECHNOLOGIES INC | | HP1262D4D34-6 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M1262D4D34-6A | 73197 | HI-SHEAR CORPORATION | | 3M1262D4D34-6A | 76301 | THE BOEING COMPANY | | 3M1262D4D34-6A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | 3M1262D4D34-6A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | TX1024D4D34-6A | 27624 | SPS TECHNOLOGIES LLC | | TX1024D4D34-6A | 56878 | SPS TECHNOLOGIES, LLC | | TX1024D4D34-6A | 73197 | HI-SHEAR CORPORATION | | TX1024D4D34-6A | 80539 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AGAV | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.739 INCHES MINIMUM AND 0.759 INCHES MAXIMUM | | GRIP DIAMETER | 0.250 INCHES NOMINAL | | GRIP LENGTH | 2.187 INCHES NOMINAL | | HEAD DIAMETER | 0.358 INCHES MINIMUM AND 0.365 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT 100 DEGREE REDUCED HEAD, GEAR DRIVE RECESS-SPECIAL THREAD LENGTH, PH13-8MO (125 KSI SHEAR) | | SPLINE MINOR DIAMETER | 0.1570 INCHES NOMINAL | | SPLINE MAJOR DIAMETER | 0.1600 INCHES NOMINAL | | SURFACE TREATMENT | ALUMINUM OVERALL | | THREAD CLASS | 3A | | THREAD LENGTH | 0.375 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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