NSN 5305-00-763-0412

Part Details | CLOSE TOLERANCE SCREW

5305-00-763-0412 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: BACB30FB32, BACB30FB3-2, BACB30FB32, BACB30FB3-2, BACB30FB32, BACB30FB3-2, 5305-00-763-0412, 00-763-0412, 5305007630412, 007630412

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 14, 197200-763-041229294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-00-763-0412
Part Number Cage Code Manufacturer
BACB30FB3-217765BOEING COMPANY, THEDBA BOEING
BACB30FB3-280205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
BACB30FB3-281205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 5305-00-763-0412
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.313 INCHES MINIMUM AND 0.363 INCHES MAXIMUM
FASTENER LENGTH0.448 INCHES MINIMUM AND 0.478 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.258 INCHES MINIMUM AND 0.305 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
GRIP LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA81205-BACB30FB MANUFACTURERS STANDARD