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National Stock Number:
5305-01-131-2205
Federal Supply Class:
5305
National Item Identification Number:
011312205
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:
| 10115268 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11907-7L17 | 59563 | REID PRODUCTS INC. | | HT4024L7-17 | 0PTK6 | SPS TECHNOLOGIES INC | | HT4024L7-17 | 17446 | HUCK INTERNATIONAL, INC | | HT4024L7-17 | 73197 | HI-SHEAR CORPORATION | | HT4024L7-17 | 80539 | SPS TECHNOLOGIES, LLC | | ST3M455-7L17 | 007R1 | TWIST TITE MFG, INC | | ST3M455-7L17 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M455-7L17 | 0PTL6 | KWA ASSOCIATES INC | | ST3M455-7L17 | 17446 | HUCK INTERNATIONAL, INC | | ST3M455-7L17 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | HT4024L7-17 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4024L7-17 | 97928 | HUCK INTL INC | | HT4024L7-17 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | WC4024L7-17 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M455-7L17 | 73197 | HI-SHEAR CORPORATION | | ST3M455-7L17 | 76301 | THE BOEING COMPANY | | ST3M455-7L17 | 80539 | SPS TECHNOLOGIES, LLC | | ST3M455-7L17 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | ST3M455-7L17 | 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 | 1.703 INCHES MINIMUM AND 1.733 INCHES MAXIMUM | | GRIP LENGTH | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM | | GRIP DIAMETER | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM | | HEAD DIAMETER | 0.612 INCHES MINIMUM AND 0.672 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.631 INCHES MINIMUM AND 0.681 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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