NSN 5306-00-300-2661

Part Details | CLOSE TOLERANCE BOLT

5306-00-300-2661 An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.

Alternate Parts: MS27576307, MS27576-3-07, MS27576307, MS27576-3-07, 5306-00-300-2661, 00-300-2661, 5306003002661, 003002661

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 28, 197300-300-266127851 ( BOLT, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

Cross Reference | NSN 5306-00-300-2661
Part Number Cage Code Manufacturer
MS27576-3-0796906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS27576-3-0780205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5306-00-300-2661
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.236 INCHES MINIMUM AND 0.318 INCHES MAXIMUM
FASTENER LENGTH0.810 INCHES MINIMUM AND 0.830 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH95000 POUNDS PER SQUARE INCH
HEAD STYLE DISHED HEXAGON
HEAD HEIGHT0.095 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
GRIP LENGTH0.438 INCHES MINIMUM AND 0.454 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM