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National Stock Number:
5305-01-616-4460
Federal Supply Class:
5305
National Item Identification Number:
016164460
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:
| 11827C3A | 59563 | REID PRODUCTS INC. | | 3M1169C-3A | 06710 | VALLEY-TODECO, INC. | | 3M1169C-3A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M1169C-3A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M1169C-3A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M1169C-3A | 76301 | THE BOEING COMPANY | | TX1026C3-3A | 06725 | SPS TECHNOLOGIES, LLC | | TX1026C3A | 06725 | SPS TECHNOLOGIES, LLC | | TX1026C3A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026C3A | 17446 | HUCK INTERNATIONAL, INC | | GS1006V3A | 1EM77 | B & B SPECIALTIES INC | | TX1026C3A | 27624 | SPS TECHNOLOGIES LLC | | TX1026C3A | 56878 | SPS TECHNOLOGIES, LLC | | TX1026C3A | 73197 | HI-SHEAR CORPORATION | | WC1169C3A | 60516 | WEST COAST AEROSPACE, INC. | | TX1026C3A | 80539 | SPS TECHNOLOGIES, LLC | | TX1026C3A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1026C3A | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.1900 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.345 INCHES NOMINAL | | FASTENER LENGTH | 0.5325 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD STYLE | COUNTERSUNK CYLINDRICAL CONVEX | | HEAD MAJOR DIAMETER | 0.3729 INCHES MINIMUM AND | | 0.3813 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | GRIP LENGTH | 1.875 INCHES NOMINAL | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND | | 0.1895 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT TENSION HEAD |
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