NSN 5305-01-198-8523

Part Details | CLOSE TOLERANCE SCREW

5305-01-198-8523 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.

Alternate Parts: ST3M794V33A, ST3M794V3-3A, HT405833A, HT4058-3-3A, HT405833A, HT4058-3-3A, ST3M794V33A, ST3M794V3-3A, HT353P33, HT353P3-3, HT405833A, HT4058-3-3A, HT405833A, HT4058-3-3A, HT353P33, HT353P3-3, ST3M794V33A, ST3M794V3-3A, HT405833A, HT4058-3-3A, HT405833A, HT4058-3-3A, ST3M794V33A, ST3M794V3-3A, ST3M794V33A, ST3M794V3-3A, 5305-01-198-8523, 01-198-8523, 5305011988523, 011988523

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 15, 198501-198-852329294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-198-8523
Part Number Cage Code Manufacturer
ST3M794V3-3A92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4058-3-3A92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4058-3-3A06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M794V3-3A76301BOEING COMPANY, THEDBA BOEING
HT353P3-373197HI-SHEAR CORPORATION
HT4058-3-3A17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4058-3-3A97928HUCK INTL INC
HT353P3-3L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
ST3M794V3-3AK5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4058-3-3AK5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4058-3-3A80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
ST3M794V3-3A007R1TWIST TITE MFG, INC
ST3M794V3-3A60516WEST COAST AEROSPACE INC
Technical Data | NSN 5305-01-198-8523
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
FASTENER LENGTH0.578 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD STYLE1 HEXAGON COUNTERSUNK
HEAD DIAMETER0.4625 INCHES MINIMUM AND 0.4672 INCHES MAXIMUM
HEAD HEIGHT0.080 INCHES MINIMUM AND 0.082 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SPECIAL FEATURESASSEMBLED WITH ONE O RING PER 7M80 FSCM 76301