NSN 5305-01-025-4855

Part Details | CLOSE TOLERANCE SCREW

5305-01-025-4855 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: HT4017085, HT4017-08-5, HT4017085, HT4017-08-5, ST3M649085, ST3M649-08-5, HT4017085, HT4017-08-5, HT4017085, HT4017-08-5, HT4017085, HT4017-08-5, HT4017085, HT4017-08-5, HT4017085, HT4017-08-5, HT4017085, HT4017-08-5, HT4017085, HT4017-08-5, ST3M649085, ST3M649-08-5, 5305-01-025-4855, 01-025-4855, 5305010254855, 010254855

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 03, 197601-025-485529294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-025-4855
Part Number Cage Code Manufacturer
HT4017-08-592215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4017-08-506950ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST3M649-08-576301BOEING COMPANY, THEDBA BOEING
HT4017-08-573197HI-SHEAR CORPORATION
HT4017-08-517446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HT4017-08-597928HUCK INTL INC
HT4017-08-5L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
HT4017-08-556878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
HT4017-08-580539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
HT4017-08-527624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
ST3M649-08-5007R1TWIST TITE MFG, INC
Technical Data | NSN 5305-01-025-4855
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
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 LENGTH0.609 INCHES MINIMUM AND 0.639 INCHES MAXIMUM
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
GRIP DIAMETER0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM