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National Stock Number:
5305-01-478-2887
Federal Supply Class:
5305
National Item Identification Number:
014782887
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:
| 11827C4-6A | 59563 | REID PRODUCTS INC. | | 3M1169C4-6A | 007R1 | TWIST TITE MFG, INC | | 3M1169C4-6A | 06710 | VALLEY-TODECO, INC. | | 3M1169C4-6A | 0K6Z0 | SATURN FASTENERS INC | | 3M1169C4-6A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M1169C4-6A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | TX1026C4-6A | 06725 | SPS TECHNOLOGIES, LLC | | GS1006C4-6A | 1EM77 | B & B SPECIALTIES INC | | 3M1169C4-6A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M1169C4-6A | 76301 | THE BOEING COMPANY | | 3M1169D-6A | 76301 | THE BOEING COMPANY | | 3M1169D4-6 | 76301 | THE BOEING COMPANY | | 3M1169C4-6A | K8753 | LINREAD NORTHBRIDGE AIRCRAFT PRODUCT DIVISION | | 3M1169C4-6A | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE | | TX1026D4-6 | 06725 | SPS TECHNOLOGIES, LLC | | TX1026D4-6 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026C4-6A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026C4-6A | 0PTK6 | SPS TECHNOLOGIES INC | | TX1026C4-6A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | TX1026C4-6A | 17446 | HUCK INTERNATIONAL, INC | | TX1026C4-6A | 1EM77 | B & B SPECIALTIES INC | | TX1026C4-6A | 27624 | SPS TECHNOLOGIES LLC | | TX1026C4-6A | 56878 | SPS TECHNOLOGIES, LLC | | TX1026C4-6A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | TX1026C4-6A | 60516 | WEST COAST AEROSPACE, INC. | | TX1026C4-6A | 73197 | HI-SHEAR CORPORATION | | TX1026C4-6A | 80539 | SPS TECHNOLOGIES, LLC | | TX1026C4-6A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026C4-6A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | TX1026C4-6A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | TX1026D4-6 | 0PTK6 | SPS TECHNOLOGIES INC | | TX1026D4-6 | 27624 | SPS TECHNOLOGIES LLC | | TX1026D4-6 | 56878 | SPS TECHNOLOGIES, LLC | | WC1169C4-6A | 60516 | WEST COAST AEROSPACE, INC. | | TX1026D4-6 | 73197 | HI-SHEAR CORPORATION | | TX1026D4-6 | 80539 | SPS TECHNOLOGIES, LLC | | TX1026D4-6 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.790 INCHES MINIMUM AND 0.810 INCHES MAXIMUM | | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | HEAD HEIGHT | 0.110 INCHES NOMINAL | | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.506 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | MATERIAL DOCUMENT AND CLASSIFICATION | INCONEL718 MFR REF 1ST MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MINIMUM TENSILE STRENGTH | 240 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPLINE MAJOR DIAMETER | 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.415 INCHES MINIMUM AND 0.435 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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