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National Stock Number:
5305-01-338-7307
Federal Supply Class:
5305
National Item Identification Number:
013387307
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:
| 11881C3-13A | 59563 | REID PRODUCTS INC. | | 3M925C3-13A | 06710 | VALLEY-TODECO, INC. | | 3M925C3-13A | 06725 | SPS TECHNOLOGIES, LLC | | 3M925C3-13A | 09650 | FLEET MFG CO INC | | 3M925C3-13A | 0PTK6 | SPS TECHNOLOGIES INC | | 3M925C3-13A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M925C3-13A | 17446 | HUCK INTERNATIONAL, INC | | 3M925C3-13A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M925C3-13A | 27624 | SPS TECHNOLOGIES LLC | | 3M925C3-13A | 56878 | SPS TECHNOLOGIES, LLC | | 3M925C3-13A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M925C3-13A | 59563 | REID PRODUCTS INC. | | 3M925C3-13A | 60516 | WEST COAST AEROSPACE, INC. | | 3M925C3-13A | 76301 | THE BOEING COMPANY | | HT4067-3-13A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4067-3-13A | 17446 | HUCK INTERNATIONAL, INC | | HT4067-3-13A | 73197 | HI-SHEAR CORPORATION | | HT4067-3-13A | 80539 | SPS TECHNOLOGIES, LLC | | HT4067-3-13A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M925C3-13A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4067-3-13A | 97928 | HUCK INTL INC | | 3M925C3-13A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4067-3-13A | 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 | 1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM | | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT AND O RING | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | HEAD DIAMETER | 0.3765 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112 TY C,CAGEC 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES GRIP32.0 MICROINCHES THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.406 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 32 |
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