5306-01-625-1002, BOLT,CLOSE TOLERANCE

6680-01-624-7740 ACCELEROMETER,ELECTRICAL,ANGULAR

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.

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.

Techincal Specification:

THREAD SERIES DESIGNATOR	MJ
NOMINAL THREAD DIAMETER	6.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS	1.0
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	9.5 MILLIMETERS MINIMUM AND
	10.5 MILLIMETERS MAXIMUM
FASTENER LENGTH	19.70 MILLIMETERS MINIMUM AND
	20.30 MILLIMETERS MAXIMUM
MATERIAL	STEEL COMP E4340 OR
	STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633-98,TYPE II,SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND
	40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	1100 MEGAPASCALS
HEAD STYLE	HEXAGON
HEAD HEIGHT	3.2 MILLIMETERS MINIMUM AND
	3.5 MILLIMETERS MAXIMUM
WIDTH BETWEEN FLATS	9.78 MILLIMETERS MINIMUM AND
	10.00 MILLIMETERS MAXIMUM
GRIP LENGTH	9.80 MILLIMETERS MINIMUM AND
	10.20 MILLIMETERS MAXIMUM
GRIP DIAMETER	5.965 MILLIMETERS MINIMUM AND
	5.990 MILLIMETERS MAXIMUM
SURFACE FINISH	0.8 MICROMETERS GRIP
	0.8 MICROMETERS THREADS
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
PART NAME ASSIGNED BY CONTROLLING AGENCY	BOLT,FATIGUE RESISTANT

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