NSN 5305-00-001-9754

Part Details | CLOSE TOLERANCE SCREW


5305-00-001-9754 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: BACB30LK3U4, BACB30LK3U4, BACB30LK3U4, 5305-00-001-9754, 00-001-9754, 5305000019754, 000019754

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 09, 197200-001-975429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1


Cross Reference | NSN 5305-00-001-9754
Part Number Cage Code Manufacturer
BACB30LK3U492215ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30LK3U406950ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30LK3U481205THE BOEING COMPANYDBA BOEING

Technical Data | NSN 5305-00-001-9754
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.320 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
FASTENER LENGTH0.580 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA81205-BACB30LK MANUFACTURERS STANDARD