NSN 5305-01-186-3102

Part Details | CLOSE TOLERANCE SCREW

5305-01-186-3102 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: MS3369B316, NASM3369B316, NASM3369, 5305-01-186-3102, 01-186-3102, 5305011863102, 011863102

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 09, 198401-186-310229294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-186-3102
Part Number Cage Code Manufacturer
MS3369B31696906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
NASM3369B31680205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
NASM336980205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-186-3102
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.262 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
FASTENER LENGTH1.372 INCHES MINIMUM AND 1.392 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH63000 POUNDS PER SQUARE INCH
HEAD STYLE CROWNED HEXAGON
HEAD HEIGHT0.095 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
GRIP LENGTH1.000 INCHES MINIMUM AND 1.016 INCHES MAXIMUM
GRIP DIAMETER0.1889 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM