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National Stock Number:
5305-01-568-0715
Federal Supply Class:
5305
National Item Identification Number:
015680715
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:
| 11905-6L-20 | 59563 | REID PRODUCTS INC. | | HT 4025L6-20 | 06710 | VALLEY-TODECO, INC. | | HT 4025L6-20 | 06725 | SPS TECHNOLOGIES, LLC | | HT 4025L6-20 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT 4025L6-20 | 06TK6 | ADVANCED ENGINEERING INC | | HT 4025L6-20 | 17446 | HUCK INTERNATIONAL, INC | | HT 4025L6-20 | 27624 | SPS TECHNOLOGIES LLC | | HT 4025L6-20 | 56878 | SPS TECHNOLOGIES, LLC | | HT 4025L6-20 | 73197 | HI-SHEAR CORPORATION | | HT 4025L6-20 | 80539 | SPS TECHNOLOGIES, LLC | | HT 4025L6-20 | 86539 | MONSANTO CO | | HT 4025L6-20 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT 4025L6-20 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | ST3M454-6L-20 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M454-6L-20 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M454-6L-20 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M454-6L20 | 06725 | SPS TECHNOLOGIES, LLC | | ST3M454-6L20 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M454-6L20 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M454-6L20 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M454-6L20 | 59563 | REID PRODUCTS INC. | | ST3M454-6L20 | 76301 | THE BOEING COMPANY | | ST3M454-76120 | 00136 | MICROSEMI CORP. - HIGH PERFORMANCE TIMING | | ST3M454-76120 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M454-76120 | 17446 | HUCK INTERNATIONAL, INC | | ST3M454-76120 | 27624 | SPS TECHNOLOGIES LLC | | ST3M454-76120 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M454-76120 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M454-76120 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M454-76L20 | 06710 | VALLEY-TODECO, INC. | | WC4025L-6-20 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 1.891 INCHES NOMINAL | | GRIP DIAMETER | 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | GRIP LENGTH | 1.090 INCHES NOMINAL | | HEAD DIAMETER | 0.752 INCHES MINIMUM AND 0.762 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.641 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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