NSN 5305-01-049-8194

Part Details | CLOSE TOLERANCE SCREW

5305-01-049-8194 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: HT4028L87M, HT4028L8-7M, HT4028L87M, HT4028L8-7M, ST3M466V8L7M1, ST3M466V8L7M1, HT4028L87M, HT4028L8-7M, HT4028L87M, HT4028L8-7M, HT4028L87M, HT4028L8-7M, HT4028L87M, HT4028L8-7M, 11909V8L7M1, ST3M466V8L7M1, ST3M466V8L7M1, HT4028L87M, HT4028L8-7M, 5305-01-049-8194, 01-049-8194, 5305010498194, 010498194

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 25, 197701-049-819429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-049-8194
Part Number Cage Code Manufacturer
HT4028L8-7M92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4028L8-7M06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M466V8L7M192215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M466V8L7M176301BOEING COMPANY, THEDBA BOEING
HT4028L8-7M73197HI-SHEAR CORPORATION
HT4028L8-7M17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4028L8-7M97928HUCK INTL INC
HT4028L8-7ML4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
11909V8L7M159563REID PRODUCTS INC.DBA REID PRODUCTS
ST3M466V8L7M10PTK6SPS TECHNOLOGIES INC
ST3M466V8L7M1K5673SPS TECHNOLOGIES LTD TJ BROOKSDIVISION
HT4028L8-7M80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-049-8194
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 LENGTH1.204 INCHES MINIMUM AND 1.234 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.747 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
GRIP DIAMETER0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM
SPECIAL FEATURESDRY FILM LUBRICANT P.S. 18021 CL 1
SPECIFICATION/STANDARD DATA76301-ST3M466 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD