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National Stock Number:
5305-01-081-0132
Federal Supply Class:
5305
National Item Identification Number:
010810132
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:
| 11925C3-6A | 59563 | REID PRODUCTS INC. | | HT4020-3-6A | 06725 | SPS TECHNOLOGIES, LLC | | HT4020-3-6A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-3-6A | 17446 | HUCK INTERNATIONAL, INC | | HT4020-3-6A | 27624 | SPS TECHNOLOGIES LLC | | HT4020-3-6A | 56878 | SPS TECHNOLOGIES, LLC | | ST3M652C3-6A | 06710 | VALLEY-TODECO, INC. | | ST3M652C3-6A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M652C3-6A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | HT4020-3-6A | 73197 | HI-SHEAR CORPORATION | | HT4020-3-6A | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-3-6A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-3-6A | 97928 | HUCK INTL INC | | HT4020-3-6A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M652C3-6A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC4020-3-6A | 60516 | WEST COAST AEROSPACE, INC. | | ST3M652C3-6A | 76301 | THE BOEING COMPANY |
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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 | 23M112,FSCM76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | HEAD DIAMETER | 0.377 INCHES MINIMUM AND | | 0.381 INCHES MAXIMUM | | HEAD HEIGHT | 0.044 INCHES MINIMUM AND | | 0.046 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 | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | SPECIAL FEATURES | FURNISHED WITH ONE O RING | | SPECIFICATION/STANDARD DATA | 76301-ST3M652 MANUFACTURERS STANDARD | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 76301 | | DESIGN CONTROL REFERENCE | ST3M652C3-6A |
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