NSN 5305-00-595-5978

Part Details | CLOSE TOLERANCE SCREW

5305-00-595-5978 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: HT4017084, HT4017-08-4, HT4017084, HT4017-08-4, ST3M649084, ST3M649-08-4, HT4017084, HT4017-08-4, HT4017084, HT4017-08-4, HT4017084, HT4017-08-4, HT4017084, HT4017-08-4, 10125400, HT4017084, HT4017-08-4, HT4017084, HT4017-08-4, 5305-00-595-5978, 00-595-5978, 5305005955978, 005955978

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 10, 197500-595-597829294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-595-5978
Part Number Cage Code Manufacturer
HT4017-08-492215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4017-08-406950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M649-08-476301BOEING COMPANY, THEDBA BOEING
HT4017-08-473197HI-SHEAR CORPORATION
HT4017-08-417446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4017-08-497928HUCK INTL INC
HT4017-08-4L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
10125400A486GNIMIKKEISTOKESKUS NCB FINLAND
HT4017-08-456878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4017-08-480539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-00-595-5978
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.287 INCHES MINIMUM AND 0.337 INCHES MAXIMUM
FASTENER LENGTH0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
GRIP DIAMETER0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM