NSN 5305-00-043-0529

Part Details | CLOSE TOLERANCE SCREW

5305-00-043-0529 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: 782386410413, 7823864-1-04-13, 5305-00-043-0529, 00-043-0529, 5305000430529, 000430529

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 06, 196700-043-052929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-043-0529
Part Number Cage Code Manufacturer
7823864-1-04-1388277BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5305-00-043-0529
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.268 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
FASTENER LENGTH1.279 INCHES NOMINAL
HEAD STYLE CROWNED HEXAGON
HEAD HEIGHT0.131 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH0.312 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
GRIP DIAMETER0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM