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National Stock Number:
5306-01-625-1002
Federal Supply Class:
5306
National Item Identification Number:
016251002
Description:
BOLT,CLOSE TOLERANCE
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.
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Manufacturer Information:
| 409805 | 93742 | DRS NAVAL POWER SYSTEMS INC | | 98-19764 | 30554 | DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER | | 98-19764 | 3DWQ8 | BAILEY HARDWARE & HYDRAULIC FITTINGS, INC. |
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Techincal Specification:
| FASTENER LENGTH | 19.70 MILLIMETERS MINIMUM AND 20.30 MILLIMETERS MAXIMUM | | GRIP DIAMETER | 5.965 MILLIMETERS MINIMUM AND 5.990 MILLIMETERS MAXIMUM | | GRIP LENGTH | 9.80 MILLIMETERS MINIMUM AND 10.20 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 3.2 MILLIMETERS MINIMUM AND 3.5 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,FATIGUE RESISTANT | | MINIMUM TENSILE STRENGTH | 1100 MEGAPASCALS | | NOMINAL THREAD DIAMETER | 6.0 MILLIMETERS | | SPECIAL FEATURES | BOLT IS HYDROGEN EMBRITTLEMENT RELIEVED THROUGH BAKING WITHIN (4)HOURS AFTER ELECTROPLATING;BAKED AT 190DEG CELCIUS MINIMUM OF (3)HOURS OR MORE;ITEM IS THE SAME AS NA0036-060010 IAW NAS NA0036 EXCEPT FOR FINISH OF ZINC | | SPECIFICATION/STANDARD DATA | 80205-NA0036 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 9.5 MILLIMETERS MINIMUM AND 10.5 MILLIMETERS MAXIMUM | | THREAD PITCH IN MILLIMETERS | 1.0 | | THREAD SERIES DESIGNATOR | MJ | | WIDTH BETWEEN FLATS | 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM |
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