NSN 5305-01-265-1193

Part Details | CLOSE TOLERANCE SCREW

5305-01-265-1193 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: 177A220106, 177A220-106, 177A220106, 177A220-106, 5305-01-265-1193, 01-265-1193, 5305012651193, 012651193

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 10, 198701-265-119329294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-265-1193
Part Number Cage Code Manufacturer
177A220-10601289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
177A220-10617454TIMKEN GEARS & SERVICES INC.DBA PHILADELPHIA GEAR
Technical Data | NSN 5305-01-265-1193
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH13
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
FASTENER LENGTH1.500 INCHES NOMINAL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH105000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
HEAD HEIGHT0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.375 INCHES MINIMUM AND 0.383 INCHES MAXIMUM
GRIP LENGTH0.940 INCHES NOMINAL
GRIP DIAMETER0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM