NSN 5305-01-266-8381

Part Details | CLOSE TOLERANCE SCREW

5305-01-266-8381 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: LD11100442303, LD111-0044-2303, LD11100442303, LD111-0044-2303, LD11100442303, LD111-0044-2303, LD11100442303, LD111-0044-2303, LD11100442303, LD111-0044-2303, LD11100442303, LD111-0044-2303, LD11100442303, LD111-0044-2303, LD11100442303, LD111-0044-2303, 5305-01-266-8381, 01-266-8381, 5305012668381, 012668381

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 31, 198701-266-838129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE II

Cross Reference | NSN 5305-01-266-8381
Part Number Cage Code Manufacturer
LD111-0044-230306950ARCONIC GLOBAL FASTENERS & RINGS,INC.
LD111-0044-230343999BOEING COMPANY, THEDBA BOEING
LD111-0044-230373197HI-SHEAR CORPORATION
LD111-0044-2303L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
LD111-0044-230357928SONIC INDUSTRIES INC.
LD111-0044-230356878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
LD111-0044-230306725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
LD111-0044-230327624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-266-8381
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.306 INCHES MINIMUM AND 0.356 INCHES MAXIMUM
FASTENER LENGTH0.504 INCHES MINIMUM AND 0.534 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.339 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE5 CROSS RECESS TYPE II
GRIP LENGTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM