NSN 5305-01-084-5411

Part Details | CLOSE TOLERANCE SCREW

5305-01-084-5411 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: 9040491, 904049-1, 5305-01-084-5411, 01-084-5411, 5305010845411, 010845411

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 20, 197901-084-541129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-084-5411
Part Number Cage Code Manufacturer
904049-196214RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5305-01-084-5411
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.280 INCHES NOMINAL
FASTENER LENGTH0.580 INCHES MINIMUM AND 0.585 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH90000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.350 INCHES NOMINAL
HEAD HEIGHT0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
GRIP LENGTH0.270 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
GRIP DIAMETER0.2494 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM