5306-00-959-7830, BOLT,MACHINE

National Stock Number:
5306-00-959-7830

Federal Supply Class:
5306

National Item Identification Number:
009597830

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Manufacturer Information:

FFB575	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS35355-236	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	4.340 INCHES MINIMUM AND 4.620 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HARDNESS RATING	70.0 ROCKWELL B MINIMUM OVERALL AND 100.0 ROCKWELL B MAXIMUM OVERALL
HEAD HEIGHT	0.568 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
HEAD STYLE	SQUARE
NOMINAL THREAD DIAMETER	0.875 INCHES
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND 1 GRADE
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 1008 OVERALL OR STEEL COMP 1010 OVERALL OR STEEL COMP 1011 OVERALL
MINIMUM TENSILE STRENGTH	60000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	36000 POUNDS PER SQUARE INCH
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	2.000 INCHES MINIMUM
THREAD QUANTITY PER INCH	9
THREAD SERIES DESIGNATOR	UNC
WIDTH BETWEEN FLATS	1.269 INCHES MINIMUM AND 1.313 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 2 CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL OR ZINC OVERALL AND CHROMATE OVERALL

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