NSN 5305-01-191-3131

Part Details | CLOSE TOLERANCE SCREW

5305-01-191-3131 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: MATF111V081, MATF111V08-1, GB510CH08V1, GB510CH08V1, SC1777V081, SC1777V08-1, HR216V081, HR216V-08-1, HR216V081, HR216V-08-1, GB510CH08V1, 122967V081, 122967V08-1, PBF1356V081, PBF1356V08-1, 5305-01-191-3131, 01-191-3131, 5305011913131, 011913131

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 07, 198401-191-313129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-191-3131
Part Number Cage Code Manufacturer
MATF111V08-158845ABOUNDING SECURITY INCDIV OF MAA CORP
GB510CH08V158845ABOUNDING SECURITY INCDIV OF MAA CORP
GB510CH08V11FY45AERO MECHANICAL FASTENING SYSTEMSINC
SC1777V08-106950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HR216V-08-173197HI-SHEAR CORPORATION
HR216V-08-1L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
GB510CH08V126512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
122967V08-180539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
PBF1356V08-127624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-191-3131
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.324 INCHES MINIMUM AND 0.354 INCHES MAXIMUM
FASTENER LENGTH0.386 INCHES MINIMUM AND 0.416 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.294 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.062 INCHES NOMINAL
GRIP DIAMETER0.1610 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM