5305-01-417-3839 SCREW,CLOSE TOLERANCE Index 5305-01-417-3841 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-417-3840

Federal Supply Class:
5305

National Item Identification Number:
014173840

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.


Manufacturer Information:
10113802A486GNIMIKKEISTOKESKUS NCB FINLAND
11853D3-6-5/159563REID PRODUCTS INC.
HP1262D3-6-5A0ZC92HEARTLAND PRECISION FASTENERS INC
3M1262D3-6-5A1EM77B & B SPECIALTIES INC
3M1262D3-6-5A76301THE BOEING COMPANY
3M1262D3-6-576301THE BOEING COMPANY
TX1024D3-6-506725SPS TECHNOLOGIES, LLC
TX1024D3-6-5A06725SPS TECHNOLOGIES, LLC
TX1024D3-6-5A06950HOWMET GLOBAL FASTENING SYSTEMS INC
TX1024D3-6-5A0PTK6SPS TECHNOLOGIES INC
TX1024D3-6-5A27624SPS TECHNOLOGIES LLC
TX1024D3-6-5A56878SPS TECHNOLOGIES, LLC
TX1024D3-6-5A73197HI-SHEAR CORPORATION
TX1024D3-6-5A80539SPS TECHNOLOGIES, LLC
TX1024D3-6-5AC4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
TX1024D3-6-5AL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.313 INCHES NOMINAL
FASTENER LENGTH0.673 INCHES MINIMUM AND
0.703 INCHES MAXIMUM
MATERIALSTEEL COMP XM-13 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SINGLE SHEAR STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
HEAD DIAMETER0.265 INCHES MINIMUM AND
0.295 INCHES MAXIMUM
HEAD HEIGHT0.049 INCHES NOMINAL
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND
101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.365 INCHES MINIMUM AND
0.385 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND
0.1995 INCHES MAXIMUM


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