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National Stock Number:
5305-01-418-9853
Federal Supply Class:
5305
National Item Identification Number:
014189853
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:
| 11825D3-4AF/11825D3-4F | 59563 | REID PRODUCTS INC. | | 11845D3-4AF/11845D3-4F | 59563 | REID PRODUCTS INC. | | HP1170D3-4AF | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | HP1170D3-4F | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M1170D3-4AF | 76301 | THE BOEING COMPANY | | 3M1170D3-4F | 76301 | THE BOEING COMPANY | | TX1027D3-4AF | 06725 | SPS TECHNOLOGIES, LLC | | TX1027D3-4AF | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1027D3-4AF | 0PTK6 | SPS TECHNOLOGIES INC | | TX1027D3-4AF | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | TX1027D3-4AF | 27624 | SPS TECHNOLOGIES LLC | | TX1027D3-4AF | 56878 | SPS TECHNOLOGIES, LLC | | TX1027D3-4AF | 73197 | HI-SHEAR CORPORATION | | TX1027D3-4AF | 80539 | SPS TECHNOLOGIES, LLC | | TX1027D3-4F | 06725 | SPS TECHNOLOGIES, LLC | | TX1027D3-4F | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1027D3-4F | 27624 | SPS TECHNOLOGIES LLC | | TX1027D3-4F | 56878 | SPS TECHNOLOGIES, LLC | | TX1027D3-4F | 5M902 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | TX1027D3-4F | 73197 | HI-SHEAR CORPORATION | | TX1027D3-4F | 80539 | SPS TECHNOLOGIES, LLC | | TX1027D3-4AF | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1027D3-4AF | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | TX1027D3-4AF | 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 | 0.580 INCHES MINIMUM AND 0.610 INCHES MAXIMUM | | GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | HEAD DIAMETER | 0.2650 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112, CAGE76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SINGLE SHEAR STRENGTH | 125000 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | CETYL ALCOHOL PER MIL-L-87132 TY 1 GR B. | | SPLINE MAJOR DIAMETER | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 TY 2 CL C MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.345 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | THREAD QUANTITY PER INCH | 32 |
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