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National Stock Number:
5305-01-286-1762
Federal Supply Class:
5305
National Item Identification Number:
012861762
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:
| LD111-0029-0304 | 43999 | THE BOEING COMPANY | | LD111-0044-0304 | 06725 | SPS TECHNOLOGIES, LLC | | LD111-0044-0304 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | LD111-0044-0304 | 1UX99 | MOLEX, LLC | | LD111-0044-0304 | 27264 | MOLEX INCORPORATED DBA USE CAGE CODE 1UX99 FOR CATALOGING DIV MOLEX CONNECTOR CORPORATION | | LD111-0044-0304 | 27624 | SPS TECHNOLOGIES LLC | | LD111-0044-0304 | 43999 | THE BOEING COMPANY | | LD111-0044-0304 | 73197 | HI-SHEAR CORPORATION | | LD111-0044-0304 | 80539 | SPS TECHNOLOGIES, LLC | | LD111-0044-0304 | 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 | | FASTENER LENGTH | 0.566 INCHES MINIMUM AND 0.596 INCHES MAXIMUM | | GRIP LENGTH | 0.250 INCHES NOMINAL | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | HEAD DIAMETER | 0.339 INCHES MINIMUM AND 0.381 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD LENGTH | 0.316 INCHES MINIMUM AND 0.346 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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