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National Stock Number:
5305-01-462-2833
Federal Supply Class:
5305
National Item Identification Number:
014622833
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:
| 11827V4-11A | 59563 | REID PRODUCTS INC. | | 3M1169V4-11A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | TX1026V4-11A | 06725 | SPS TECHNOLOGIES, LLC | | GS1006V4-11A | 1EM77 | B & B SPECIALTIES INC | | 3M1169V4-11A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M1169V4-11A | 76301 | THE BOEING COMPANY | | TX1026V4-11A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026V4-11A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | TX1026V4-11A | 27624 | SPS TECHNOLOGIES LLC | | TX1026V4-11A | 56878 | SPS TECHNOLOGIES, LLC | | TX1026V4-11A | 73197 | HI-SHEAR CORPORATION | | TX1026V4-11A | 80539 | SPS TECHNOLOGIES, LLC | | TX1026V4-11A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026V4-11A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | WC1169V4-11A | 60516 | WEST COAST AEROSPACE, INC. | | TX1026V4-11A | 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 | 1.098 INCHES MINIMUM AND 1.128 INCHES MAXIMUM | | GRIP DIAMETER | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | GRIP LENGTH | 0.688 INCHES NOMINAL | | HEAD HEIGHT | 0.110 INCHES NOMINAL | | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | TORX | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,100 DEGREE TENSION HEAD,GEAR DRIVE RECESS | | MATERIAL | TITANIUM ALLOY OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPLINE MAJOR DIAMETER | 0.220 INCHES MINIMUM AND 0.223 INCHES MAXIMUM | | SPLINE MINOR DIAMETER | 0.157 INCHES MINIMUM AND 0.160 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.425 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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