NSN 5305-01-260-8939

Part Details | CLOSE TOLERANCE SCREW

5305-01-260-8939 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: LD11100440614, LD111-0044-0614, LD11100440614, LD111-0044-0614, LD11100290614, LD111-0029-0614, LD11100440614, LD111-0044-0614, 5305-01-260-8939, 01-260-8939, 5305012608939, 012608939

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 05, 198701-260-893929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-260-8939
Part Number Cage Code Manufacturer
LD111-0044-061484256AVIBANK MFG., INC.
LD111-0044-061443999BOEING COMPANY, THEDBA BOEING
LD111-0029-061443999BOEING COMPANY, THEDBA BOEING
LD111-0044-061480539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-01-260-8939
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.491 INCHES MINIMUM AND 0.541 INCHES MAXIMUM
FASTENER LENGTH1.376 INCHES MINIMUM AND 1.406 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.717 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
GRIP DIAMETER0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM