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National Stock Number:
5305-01-173-3602
Federal Supply Class:
5305
National Item Identification Number:
011733602
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:
| 11923-3-6 | 59563 | REID PRODUCTS INC. | | HT4027-3-6 | 06725 | SPS TECHNOLOGIES, LLC | | HT4027-3-6 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-3-6 | 17446 | HUCK INTERNATIONAL, INC | | HT4027-3-6 | 27624 | SPS TECHNOLOGIES LLC | | HT4027-3-6 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M557-3-6 | 007R1 | TWIST TITE MFG, INC | | ST3M557-3-6 | 06710 | VALLEY-TODECO, INC. | | ST3M557-3-6 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-3-6 | 73197 | HI-SHEAR CORPORATION | | HT4027-3-6 | 80539 | SPS TECHNOLOGIES, LLC | | HT4027-3-6 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4027-3-6 | 97928 | HUCK INTL INC | | HT4027-3-6 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M557-3-6 | 0K6Z0 | SATURN FASTENERS INC | | ST3M557-3-6 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M557-3-6 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M557-3-6 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M557-3-6 | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | ST3M557-3-6 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M557-3-6 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M557-3-6 | 60516 | WEST COAST AEROSPACE, INC. | | WC4027-3-6 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M557-3-6 | 76301 | THE BOEING COMPANY | | ST3M557-3-6 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.380 INCHES MINIMUM AND | | 0.447 INCHES MAXIMUM | | FASTENER LENGTH | 0.765 INCHES MINIMUM AND | | 0.812 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 23M118 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | OVAL COUNTERSUNK | | HEAD DIAMETER | 0.2966 INCHES MINIMUM AND | | 0.3016 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | GRIP LENGTH | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND | | 0.1895 INCHES MAXIMUM |
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