NSN 5305-00-192-0586

Part Details | CLOSE TOLERANCE SCREW

5305-00-192-0586 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: HR112419, HR112-4-19, C360619, C3606-19, 5305-00-192-0586, 00-192-0586, 5305001920586, 001920586

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 31, 196900-192-058629294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-00-192-0586
Part Number Cage Code Manufacturer
HR112-4-1973197HI-SHEAR CORPORATION
C3606-1981755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5305-00-192-0586
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.432 INCHES MINIMUM AND 0.472 INCHES MAXIMUM
FASTENER LENGTH1.122 INCHES MINIMUM AND 1.142 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.492 INCHES MINIMUM AND 0.512 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
WIDTH ACROSS FLATS0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM
GRIP LENGTH0.670 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
GRIP DIAMETER0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
SPECIAL FEATURESSOCKET HEXAGON INTERNAL DRIVE ON THREADED END