NSN 5305-00-300-2219

Part Details | CLOSE TOLERANCE SCREW

5305-00-300-2219 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: BACB30LU411, BACB30LU4-11, BACB30LU411, BACB30LU4-11, BACB30LU411A, BACB30LU4-11A, BACB30LU411, BACB30LU4-11, BACB30LU411, BACB30LU4-11, BACB30LU411, BACB30LU4-11, BACB30LU411, BACB30LU4-11, BACB30LU411, BACB30LU4-11, BACB30LU411, BACB30LU4-11, BACB30ABP411A, BACB30ABP4-11A, BACB30LU411, BACB30LU4-11, 5305-00-300-2219, 00-300-2219, 5305003002219, 003002219

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 06, 197300-300-221929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-300-2219
Part Number Cage Code Manufacturer
BACB30LU4-111RC86ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30LU4-1106950ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30LU4-11A82918BOEING COMPANY, THEDBA BOEING
BACB30LU4-1117943FEDERAL MANUFACTURING CORPORATION
BACB30LU4-1117446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BACB30LU4-1156878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
BACB30LU4-1106725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
BACB30LU4-1127624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
BACB30LU4-1181205THE BOEING COMPANYDBA BOEING
BACB30ABP4-11A81205THE BOEING COMPANYDBA BOEING
BACB30LU4-1106710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5305-00-300-2219
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
FASTENER LENGTH1.098 INCHES MINIMUM AND 1.128 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.455 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM