NSN 5305-01-145-9179

Part Details | CLOSE TOLERANCE SCREW

5305-01-145-9179 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: GB510DF822, GB510DF8-22, GB510DF822, GB510DF8-22, GB510DF822, GB510DF8-22, GB510DF822, GB510DF8-22, GB510DF, HL4031622, HL403-16-22, 5305-01-145-9179, 01-145-9179, 5305011459179, 011459179

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 21, 198301-145-917929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HEXAGON

Cross Reference | NSN 5305-01-145-9179
Part Number Cage Code Manufacturer
GB510DF8-2292215ARCONIC GLOBAL FASTENERS & RINGS,INC.
GB510DF8-2273197HI-SHEAR CORPORATION
GB510DF8-22L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
GB510DF8-2226512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
GB510DF26512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
HL403-16-2256878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5305-01-145-9179
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM
FASTENER LENGTH1.940 INCHES MINIMUM AND 1.960 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.748 INCHES MINIMUM AND 0.754 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.190 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
GRIP LENGTH1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM
GRIP DIAMETER0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT