NSN 5305-01-333-9887

Part Details | CLOSE TOLERANCE SCREW

5305-01-333-9887 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: SC5053410, SC5053-4-10, 3D0080410, 3D0080-4-10, 111395410, 111395-4-10, 1701410, 1701-4-10, AIC1701410, AIC1701-4-10, 5305-01-333-9887, 01-333-9887, 5305013339887, 013339887

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 14, 199101-333-988729294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-333-9887
Part Number Cage Code Manufacturer
SC5053-4-1006950ARCONIC GLOBAL FASTENERS & RINGS,INC.
3D0080-4-1088277BOEING COMPANY, THEDBA BOEING
111395-4-1080539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
1701-4-1006725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
AIC1701-4-1006725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
Technical Data | NSN 5305-01-333-9887
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.403 INCHES NOMINAL
FASTENER LENGTH1.013 INCHES MINIMUM AND 1.043 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH95000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.4421 INCHES MINIMUM AND 0.5260 INCHES MAXIMUM
COUNTERSINK ANGLE129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM