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National Stock Number:
5305-01-479-2544
Federal Supply Class:
5305
National Item Identification Number:
014792544
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:
| 11853V4D13-5A | 59563 | REID PRODUCTS INC. | | 3M1262V4D13-5A | 06725 | SPS TECHNOLOGIES, LLC | | 3M1262V4D13-5A | 0PTK6 | SPS TECHNOLOGIES INC | | 3M1262V4D13-5A | 1EM77 | B & B SPECIALTIES INC | | 3M1262V4D13-5A | 27624 | SPS TECHNOLOGIES LLC | | 3M1262V4D13-5A | 56878 | SPS TECHNOLOGIES, LLC | | TX1024V4D13-5A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M1262V4D13-5A | 73197 | HI-SHEAR CORPORATION | | 3M1262V4D13-5A | 76301 | THE BOEING COMPANY | | TX1024V4D13-5A | 80539 | SPS TECHNOLOGIES, LLC | | TX1024V4D13-5A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | 3M1262V4D13-5A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.013 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 1.124 INCHES NOMINAL | | GRIP DIAMETER | 0.249 INCHES NOMINAL | | GRIP LENGTH | 0.812 INCHES NOMINAL | | HEAD DIAMETER | 0.385 INCHES MINIMUM AND 0.394 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 100 DEGREE REDUCED HEAD, GEAR DRIVE RECESS, SPECIAL THREAD LENGTH | | MATERIAL DOCUMENT AND CLASSIFICATION | NAS 4004, 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE | | SPLINE MAJOR DIAMETER | 0.155 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.312 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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