NSN 5305-01-049-4053

Part Details | CLOSE TOLERANCE SCREW

5305-01-049-4053 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: HT4024L812M, HT4024L8-12M, HT4024L812M, HT4024L8-12M, ST3M4558L12M, ST3M455-8L12M, HT4024L812M, HT4024L8-12M, HT4024L812M, HT4024L8-12M, HT4024L812M, HT4024L8-12M, HT4024L812M, HT4024L8-12M, 119078L12M, 11907-8L12M, HT4024L812M, HT4024L8-12M, HT4024L812M, HT4024L8-12M, 5305-01-049-4053, 01-049-4053, 5305010494053, 010494053

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 19, 197701-049-405329294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-049-4053
Part Number Cage Code Manufacturer
HT4024L8-12M06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4024L8-12M92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M455-8L12M76301BOEING COMPANY, THEDBA BOEING
HT4024L8-12M73197HI-SHEAR CORPORATION
HT4024L8-12M17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4024L8-12M97928HUCK INTL INC
HT4024L8-12ML4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11907-8L12M59563REID PRODUCTS INC.DBA REID PRODUCTS
HT4024L8-12M56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4024L8-12M80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-049-4053
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.756 INCHES MINIMUM AND 0.806 INCHES MAXIMUM
FASTENER LENGTH1.516 INCHES MINIMUM AND 1.546 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.688 INCHES MINIMUM AND 0.755 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
GRIP DIAMETER0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM
SPECIAL FEATURESDRY FILM LUBRICANT P.S. 18021 CL 1
SPECIFICATION/STANDARD DATA76301-ST3M455 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD