NSN 5305-00-163-2685

Part Details | CLOSE TOLERANCE SCREW

5305-00-163-2685 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: LS15234324, LS15234-3-24, NAS113324, NAS1133-24, 5305-00-163-2685, 00-163-2685, 5305001632685, 001632685

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 12, 197100-163-268529294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-00-163-2685
Part Number Cage Code Manufacturer
LS15234-3-2498897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
NAS1133-2480205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-00-163-2685
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.192 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM
FASTENER LENGTH1.761 INCHES MINIMUM AND 1.791 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE2 DISHED HEXAGON
HEAD DIAMETER0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1133 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD