NSN 5305-01-266-8384

Part Details | CLOSE TOLERANCE SCREW

5305-01-266-8384 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: LD11100440718, LD111-0044-0718, LD11100440718, LD111-0044-0718, LD11100290718, LD111-0029-0718, LD11100440718, LD111-0044-0718, LD11100440718, LD111-0044-0718, LD11100440718, LD111-0044-0718, LD11100440718, LD111-0044-0718, LD11100440718, LD111-0044-0718, LD11100440718, LD111-0044-0718, 5305-01-266-8384, 01-266-8384, 5305012668384, 012668384

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 31, 198701-266-838429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-266-8384
Part Number Cage Code Manufacturer
LD111-0044-071806950ARCONIC GLOBAL FASTENERS & RINGS,INC.
LD111-0044-071843999BOEING COMPANY, THEDBA BOEING
LD111-0029-071843999BOEING COMPANY, THEDBA BOEING
LD111-0044-071873197HI-SHEAR CORPORATION
LD111-0044-0718L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
LD111-0044-071857928SONIC INDUSTRIES INC.
LD111-0044-071880539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
LD111-0044-071806725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
LD111-0044-071827624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-266-8384
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.584 INCHES MINIMUM AND 0.614 INCHES MAXIMUM
FASTENER LENGTH1.709 INCHES MINIMUM AND 1.739 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.826 INCHES MINIMUM AND 0.888 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH1.125 INCHES NOMINAL
GRIP DIAMETER0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM