NSN 5305-00-151-8644

Part Details | CLOSE TOLERANCE SCREW

5305-00-151-8644 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: VP1119430, VP1119-4-30, CA26300430, CA2630-0430, AS1080430, AS108-04-30, GB511AE430, GB511AE4-30, 5305-00-151-8644, 00-151-8644, 5305001518644, 001518644

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 13, 197000-151-864429294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-151-8644
Part Number Cage Code Manufacturer
VP1119-4-3092215ARCONIC GLOBAL FASTENERS & RINGS,INC.
CA2630-043029372ARCONIC GLOBAL FASTENERS & RINGS,INC.
AS108-04-3084256AVIBANK MFG., INC.
GB511AE4-3026512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
Technical Data | NSN 5305-00-151-8644
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.277 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
FASTENER LENGTH2.293 INCHES MINIMUM AND 2.313 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLE CROWNED HEXAGON
HEAD HEIGHT0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
GRIP LENGTH1.875 INCHES MINIMUM AND 1.891 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SPECIAL FEATURESRETAINING BALLS IN SHANK