NSN 5305-01-435-8521

Part Details | CLOSE TOLERANCE SCREW

5305-01-435-8521 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: BACB30LU941, BACB30LU9-41, BACB30LU941, BACB30LU9-41, BACB30LU941, BACB30LU9-41, BACB30LU941, BACB30LU9-41, BACB30LU941, BACB30LU9-41, BACB30LU941, BACB30LU9-41, BACB30LU941, BACB30LU9-41, BACB30LU941, BACB30LU9-41, BACB30LU941, BACB30LU9-41, 5305-01-435-8521, 01-435-8521, 5305014358521, 014358521

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 04, 199601-435-852129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-435-8521
Part Number Cage Code Manufacturer
BACB30LU9-4106950ARCONIC GLOBAL FASTENERS & RINGS,INC.
BACB30LU9-4117943FEDERAL MANUFACTURING CORPORATION
BACB30LU9-4117446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
BACB30LU9-4197928HUCK INTL INC
BACB30LU9-4180539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
BACB30LU9-4106725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
BACB30LU9-4127624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
BACB30LU9-4181205THE BOEING COMPANYDBA BOEING
BACB30LU9-4106710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5305-01-435-8521
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.5625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.840 INCHES NOMINAL
FASTENER LENGTH3.3875 INCHES MINIMUM AND 3.4175 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER1.047 INCHES MINIMUM AND 1.146 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH2.5525 INCHES MINIMUM AND 2.5725 INCHES MAXIMUM
GRIP DIAMETER0.5605 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM