NSN 5305-01-028-0186

Part Details | CLOSE TOLERANCE SCREW

5305-01-028-0186 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: 3M123510, 3M123-5-10, HT1029A510, HT1029A-5-10, HT1029A510, HT1029A-5-10, 3M123510, 3M123-5-10, 3M123510, 3M123-5-10, HT5N10, HT5N-10, HT123510, HT123-5-10, HT123510, HT123-5-10, HT5N10, HT5N-10, 54291510, 54291-5-10, 5305-01-028-0186, 01-028-0186, 5305010280186, 010280186

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 23, 197601-028-018629294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-028-0186
Part Number Cage Code Manufacturer
3M123-5-1092215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT1029A-5-1092215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT1029A-5-1006950ARCONIC GLOBAL FASTENERS & RINGS,INC.
3M123-5-1076301BOEING COMPANY, THEDBA BOEING
3M123-5-1058998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HT5N-1073197HI-SHEAR CORPORATION
HT123-5-1017446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT123-5-1097928HUCK INTL INC
HT5N-10L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
54291-5-1080539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-028-0186
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.505 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
FASTENER LENGTH1.140 INCHES MINIMUM AND 1.187 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.628 INCHES MINIMUM AND 0.633 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
GRIP DIAMETER0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM