2840-99-199-6797 STIFFENING DISK ASSEMBLY Index 5306-99-199-7231 BOLT,MACHINE

National Stock Number:
5306-99-199-7230

Federal Supply Class:
5306

National Item Identification Number:
991997230

Description:
BOLT,MACHINE

Detail:
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.


Manufacturer Information:
AS262290U583SAE INTERNATIONAL
AS26229K7766BRITISH STANDARDS INSTITUTION
AS26229U14C6SAE ITC ENGINE & AIRFRAME TECHNICALSTANDARDS
AS26229U1653SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC


Click here to Register for Free 30-day Trial