NSN 5305-00-825-3255

Part Details | CLOSE TOLERANCE SCREW

5305-00-825-3255 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: CC00035413, CC00035-4-13, CA2730413, CA2730-4-13, AS1040413, AS104-04-13, CC00035413, CC00035-4-13, 5305-00-825-3255, 00-825-3255, 5305008253255, 008253255

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 18, 196700-825-325529294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-825-3255
Part Number Cage Code Manufacturer
CC00035-4-1329372ARCONIC GLOBAL FASTENERS & RINGS,INC.
CA2730-4-1329372ARCONIC GLOBAL FASTENERS & RINGS,INC.
AS104-04-1384256AVIBANK MFG., INC.
CC00035-4-1381755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5305-00-825-3255
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.270 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
FASTENER LENGTH1.250 INCHES MINIMUM AND 1.270 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.437 INCHES MAXIMUM
HEAD HEIGHT0.273 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
GRIP LENGTH0.812 INCHES MINIMUM AND 0.832 INCHES MAXIMUM
GRIP DIAMETER0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
SPECIAL FEATURESRETAINING ELEMENT IN SHANK