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National Stock Number:
5305-01-373-4839
Federal Supply Class:
5305
National Item Identification Number:
013734839
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:
| 11881C6-12A | 59563 | REID PRODUCTS INC. | | 3M925C6-12A | 06710 | VALLEY-TODECO, INC. | | 3M925C6-12A | 06725 | SPS TECHNOLOGIES, LLC | | 3M925C6-12A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M925C6-12A | 0PTK6 | SPS TECHNOLOGIES INC | | 3M925C6-12A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M925C6-12A | 17446 | HUCK INTERNATIONAL, INC | | 3M925C6-12A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M925C6-12A | 27624 | SPS TECHNOLOGIES LLC | | 3M925C6-12A | 56878 | SPS TECHNOLOGIES, LLC | | 3M925C6-12A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M925C6-12A | 59563 | REID PRODUCTS INC. | | 3M925C6-12A | 60516 | WEST COAST AEROSPACE, INC. | | 3M925C6-12A | 76301 | THE BOEING COMPANY | | HT4067-6-12A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4067-5-5A | 17446 | HUCK INTERNATIONAL, INC | | WC4067-5-5A | 60516 | WEST COAST AEROSPACE, INC. | | HT4067-6-12A | 73197 | HI-SHEAR CORPORATION | | HT4067-6-12A | 80539 | SPS TECHNOLOGIES, LLC | | HT4067-6-12A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M925C6-12A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4067-6-12A | 97928 | HUCK INTL INC | | 3M925C6-12A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4067-6-12A | 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 | 1.259 INCHES MINIMUM AND 1.306 INCHES MAXIMUM | | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT | | GRIP LENGTH | 0.624 INCHES MINIMUM AND 0.644 INCHES MAXIMUM | | GRIP DIAMETER | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM | | HEAD HEIGHT | 0.1147 INCHES MINIMUM AND 0.1167 INCHES MAXIMUM | | HEAD DIAMETER | 0.692 INCHES MINIMUM AND 0.763 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | | MATERIAL | STEEL COMP XM-13 FASTENER | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SINGLE SHEAR STRENGTH | 125000 POUNDS PER SQUARE INCH | | 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 FASTENER | | SURFACE TREATMENT | ALUMINUM AND CHROMATE FASTENER | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.641 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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