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National Stock Number:
5305-01-492-4568
Federal Supply Class:
5305
National Item Identification Number:
014924568
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:
| 11825C3-4AF | 59563 | REID PRODUCTS INC. | | 11845C3-4AF | 59563 | REID PRODUCTS INC. | | 3M1170C3-4AF | 007R1 | TWIST TITE MFG, INC | | 3M1170C3-4AF | 06710 | VALLEY-TODECO, INC. | | 3M1170C3-4AF | 0K6Z0 | SATURN FASTENERS INC | | 3M1170C3-4AF | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | TX1027C3-4AF | 06725 | SPS TECHNOLOGIES, LLC | | TX1027C3-4AF | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1027C3-4AF | 0PTK6 | SPS TECHNOLOGIES INC | | TX1027C3-4AF | 17446 | HUCK INTERNATIONAL, INC | | GS1014C3-4AF | 1EM77 | B & B SPECIALTIES INC | | 3M1170C3-4AF | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M1170C3-4AF | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M1170C3-4AF | 76301 | THE BOEING COMPANY | | TX1027C3-4AF | 27624 | SPS TECHNOLOGIES LLC | | TX1027C3-4AF | 56878 | SPS TECHNOLOGIES, LLC | | WC1170C3-4AF | 60516 | WEST COAST AEROSPACE, INC. | | TX1027C3-4AF | 73197 | HI-SHEAR CORPORATION | | TX1027C3-4AF | 80539 | SPS TECHNOLOGIES, LLC | | TX1027C3-4AF | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | TX1027C3-4AF | 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 | 0.435 INCHES MINIMUM AND 0.453 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.5525 INCHES MINIMUM AND 0.5725 INCHES MAXIMUM | | HEAD DIAMETER | 0.265 INCHES MINIMUM AND 0.272 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,100 DEGREE REDUCED HEAD,GEAR DRIVE RECESS-PH13-8MO (125 KSI SHEAR),INCONEL 718 (125 KSI SHEAR)6AL-4V TITANIUM (95 KSI SHEAR) | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPECIAL FEATURES | FINSIH CETYL ALCOHOL PER MIL-L-87132,TYPE I,GRADE B | | SPLINE MAJOR DIAMETER | 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM | | SPLINE MINOR DIAMETER | 0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TYPE II,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.345 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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