5306-00-526-0619, BOLT,MACHINE

National Stock Number:
5306-00-526-0619

Federal Supply Class:
5306

National Item Identification Number:
005260619

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

Techincal Specification:

MINIMUM TENSILE STRENGTH	55000 POUNDS PER SQUARE INCH
SPECIAL FEATURES	FURNISHED WITH ONE SQUARE NUT IN ACCORDANCE WITH FEDERAL SPECIFICATION FF-N-836 TYPE1STYLE1
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.750 INCHES MINIMUM
THREAD QUANTITY PER INCH	16
THREAD SERIES DESIGNATOR	UNC
WIDTH BETWEEN FLATS	0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
DEPARTURE FROM CITED DOCUMENT	AS MODIFIEDBY ADDITION OF SQUARE NUT
FASTENER LENGTH	5.000 INCHES NOMINAL
FEATURES PROVIDED	UNFINISHED HEAD
GRIP LENGTH	4.250 INCHES NOMINAL
HARDNESS RATING	95.0 ROCKWELL B MAXIMUM OVERALL
HEAD HEIGHT	0.232 INCHES MINIMUM AND 0.268 INCHES MAXIMUM
HEAD STYLE	SQUARE
NOMINAL THREAD DIAMETER	0.375 INCHES
NONDEFINITIVE SPEC/STD DATA	1 TYPE
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL

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