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National Stock Number:
5305-01-255-9449
Federal Supply Class:
5305
National Item Identification Number:
012559449
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:
| 11905-3DL6 | 59563 | REID PRODUCTS INC. | | HT4025L3D6 | 06725 | SPS TECHNOLOGIES, LLC | | HT4025L3D6 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4025L3D6 | 17446 | HUCK INTERNATIONAL, INC | | HT4025L3D6 | 27624 | SPS TECHNOLOGIES LLC | | HT4025L3D6 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M454-3DL6 | 06710 | VALLEY-TODECO, INC. | | ST3M454-3DL6 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | HT4025L3D6 | 73197 | HI-SHEAR CORPORATION | | HT4025L3D6 | 80539 | SPS TECHNOLOGIES, LLC | | HT4025L3D6 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4025L3D6 | 97928 | HUCK INTL INC | | HT4025L3D6 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4025L3D6 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M454-3DL6 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M454-3DL6 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M4543DL6 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC4025L-3D6 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M454-3DL6 | 76301 | THE BOEING COMPANY | | ST3M454-3DL6 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M454-3DL6 | 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 | 0.381 INCHES MINIMUM AND | | 0.431 INCHES MAXIMUM | | FASTENER LENGTH | 0.766 INCHES MINIMUM AND | | 0.796 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE GRIP | | PAINT TOP OF HEAD | | PASSIVATE THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE GRIP | | 595 FED STD SINGLE TREATMENT RESPONSE TOP OF HEAD | | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE THREADS | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.376 INCHES MINIMUM AND | | 0.385 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 | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.645 INCHES MINIMUM AND | | 0.685 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND | | 0.075 INCHES MAXIMUM FIRST HOLE | | SPECIAL FEATURES | PAINT COLOR WHITE |
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