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National Stock Number:
5305-01-210-3854
Federal Supply Class:
5305
National Item Identification Number:
012103854
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:
| 11883-3DL3 | 59563 | REID PRODUCTS INC. | | 3M926-3DL3 | 007R1 | TWIST TITE MFG, INC | | 3M926-3DL3 | 06710 | VALLEY-TODECO, INC. | | 3M926-3DL3 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M926-3DL3 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M926-3DL3 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M926-3DL3 | 76301 | THE BOEING COMPANY | | HT4068-3D3 | 56878 | SPS TECHNOLOGIES, LLC | | HT4068-3D3A | 06725 | SPS TECHNOLOGIES, LLC | | HT4068-3D3A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-3D3A | 17446 | HUCK INTERNATIONAL, INC | | HT4068-3D3A | 27624 | SPS TECHNOLOGIES LLC | | HT4068-3D3A | 56878 | SPS TECHNOLOGIES, LLC | | HT4068-3D3A | 73197 | HI-SHEAR CORPORATION | | HT4068-3D3A | 80539 | SPS TECHNOLOGIES, LLC | | HT4068-3D3A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4068-3D3A | 97928 | HUCK INTL INC | | HT4068-3D3A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4068-3D3A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | WC4068-3D3 | 60516 | WEST COAST AEROSPACE, INC. |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.458 INCHES MINIMUM AND 0.498 INCHES MAXIMUM FIRST HOLE | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM | | HEAD DIAMETER | 0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM | | HEAD HEIGHT | 0.013 INCHES MAXIMUM | | HEAD STYLE | FILLISTER COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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