NSN 5305-00-280-3337

Part Details | CLOSE TOLERANCE SCREW

5305-00-280-3337 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: HT401338X, HT4013-3-8X, ST3M60538, ST3M605-3-8, HT401338X, HT4013-3-8X, HT401338X, HT4013-3-8X, HT401338X, HT4013-3-8X, HT401338X, HT4013-3-8X, ST3M60538X, ST3M605-3-8X, HT401338X, HT4013-3-8X, 5305-00-280-3337, 00-280-3337, 5305002803337, 002803337

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 17, 197300-280-333729294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-280-3337
Part Number Cage Code Manufacturer
HT4013-3-8X92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M605-3-876301BOEING COMPANY, THEDBA BOEING
HT4013-3-8X73197HI-SHEAR CORPORATION
HT4013-3-8X17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4013-3-8X97928HUCK INTL INC
HT4013-3-8XL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
ST3M605-3-8X50394SPS TECHNOLOGIES INC UNBRAKO DIV
HT4013-3-8X50394SPS TECHNOLOGIES INC UNBRAKO DIV
Technical Data | NSN 5305-00-280-3337
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.338 INCHES MINIMUM AND 0.388 INCHES MAXIMUM
FASTENER LENGTH0.848 INCHES MINIMUM AND 0.878 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.266 INCHES MINIMUM AND 0.303 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
GRIP DIAMETER0.2016 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM