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National Stock Number:
5305-00-486-1153
Federal Supply Class:
5305
National Item Identification Number:
004861153
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:
| 11909V7L7-1 | 59563 | REID PRODUCTS INC. | | HT4028L7-7 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4028L7-7 | 17446 | HUCK INTERNATIONAL, INC | | HT4028L7-7 | 73197 | HI-SHEAR CORPORATION | | HT4028L7-7 | 80539 | SPS TECHNOLOGIES, LLC | | HT4028L7-7 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M466V7L7-1 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M466V7L7-1 | 17446 | HUCK INTERNATIONAL, INC | | ST3M466V7L7-1 | 73197 | HI-SHEAR CORPORATION | | ST3M466V7L7-1 | 76301 | THE BOEING COMPANY | | ST3M466V7L7-1 | 80539 | SPS TECHNOLOGIES, LLC | | HT4028L7-7 | 97928 | HUCK INTL INC | | ST3M466V7L7-1 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | ST3M466V7L7-1 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.079 INCHES MINIMUM AND 1.109 INCHES MAXIMUM | | GRIP DIAMETER | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM | | GRIP LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | | HEAD DIAMETER | 0.662 INCHES MINIMUM AND 0.668 INCHES MAXIMUM | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | NAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OR AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.631 INCHES MINIMUM AND 0.681 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNJF |
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