NSN 5305-01-054-4637

Part Details | CLOSE TOLERANCE SCREW

5305-01-054-4637 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: BACB30LK33, BACB30LK3-3, BACB30LK33, BACB30LK3-3, BACB30LK33, BACB30LK3-3, BACB30LK33, BACB30LK3-3, BACB30LK33, BACB30LK3-3, BACB30LK33, BACB30LK3-3, BACB30LK33, BACB30LK3-3, BACB30LK33, BACB30LK3-3, BACB30LK33, BACB30LK3-3, BACB30LK33, BACB30LK3-3, 5305-01-054-4637, 01-054-4637, 5305010544637, 010544637

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 21, 197801-054-463729294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-054-4637
Part Number Cage Code Manufacturer
BACB30LK3-392215ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30LK3-306950ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30LK3-317943FEDERAL MANUFACTURING CORPORATION
BACB30LK3-317446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BACB30LK3-397928HUCK INTL INC
BACB30LK3-380539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
BACB30LK3-306725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
BACB30LK3-327624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
BACB30LK3-381205THE BOEING COMPANYDBA BOEING
BACB30LK3-306710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5305-01-054-4637
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 LENGTH0.518 INCHES MINIMUM AND 0.548 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 LENGTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM