NSN 5306-01-049-2996

Part Details | CLOSE TOLERANCE BOLT

5306-01-049-2996 An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.

Alternate Parts: BACB30NF4H30, BACB30NF4H30, BACB30NF4H30, BACB30NF4H30, BACB30NF4H30, BACB30NF4H30, BACB30NF4H30, 5306-01-049-2996, 01-049-2996, 5306010492996, 010492996

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 16, 197701-049-299627851 ( BOLT, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

HEXAGON FLATS

Cross Reference | NSN 5306-01-049-2996
Part Number Cage Code Manufacturer
BACB30NF4H301RC86ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30NF4H3006950ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30NF4H3017943FEDERAL MANUFACTURING CORPORATION
BACB30NF4H3056878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
BACB30NF4H3006725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
BACB30NF4H3081205THE BOEING COMPANYDBA BOEING
BACB30NF4H3006710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5306-01-049-2996
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.364 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
FASTENER LENGTH2.249 INCHES MINIMUM AND 2.279 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH
HEAD STYLE UNDERCUT HEXAGON
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY3
HOLE DIAMETER0.051 INCHES NOMINAL
GRIP LENGTH1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM