NSN 5306-01-031-4850

Part Details | CLOSE TOLERANCE BOLT

5306-01-031-4850 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: BACB30NF4H17, BACB30NF4H17, BACB30NF417D, BACB30NF4-17D, BACB30NF417D, BACB30NF4-17D, BACB30NF4H17, BACB30NF417D, BACB30NF4-17D, BACB30NF4H17, BACB30NF417D, BACB30NF4-17D, BACB30NF4H17, BACB30NF4H17, BACB30NF4H17, BACB30NF417D, BACB30NF4-17D, BACB30NF4H17, BACB30NF417D, BACB30NF4-17D, BACB30NF417D, BACB30NF4-17D, BACB30NF4H17, BACB30NF4H17, BACB30NF417D, BACB30NF4-17D, BACB30NF4H17, BACB30NF417D, BACB30NF4-17D, BACB30NF417D, BACB30NF4-17D, BACB30NF4H17, 5306-01-031-4850, 01-031-4850, 5306010314850, 010314850

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 24, 197601-031-485027851 ( BOLT, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

HEXAGON CORNERS

Cross Reference | NSN 5306-01-031-4850
Part Number Cage Code Manufacturer
BACB30NF4H1792215ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30NF4H1706950ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30NF4-17D92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30NF4-17D06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30NF4H1717943FEDERAL MANUFACTURING CORPORATION
BACB30NF4-17D17943FEDERAL MANUFACTURING CORPORATION
BACB30NF4H1717446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BACB30NF4-17D17446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BACB30NF4H1797928HUCK INTL INC
BACB30NF4H1798524MONOGRAM AEROSPACE FASTENERS, INC.
BACB30NF4H1756878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
BACB30NF4-17D56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
BACB30NF4H1780539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
BACB30NF4-17D80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
BACB30NF4-17D06725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
BACB30NF4H1706725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
BACB30NF4H1727624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
BACB30NF4-17D27624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
BACB30NF4H1781205THE BOEING COMPANYDBA BOEING
BACB30NF4-17D81205THE BOEING COMPANYDBA BOEING
BACB30NF4-17D06710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
BACB30NF4H1706710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5306-01-031-4850
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 LENGTH1.436 INCHES MINIMUM AND 1.466 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 CORNERS
HOLE TYPE DRILLED
HOLE QUANTITY3
HOLE DIAMETER0.046 INCHES NOMINAL
GRIP LENGTH1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM