5306-01-272-7426, BOLT,MACHINE

National Stock Number:
5306-01-272-7426

Federal Supply Class:
5306

National Item Identification Number:
012727426

Description:
BOLT,MACHINE

Detail:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, AND WHOSE UNTHREADED PORTION HAS BEEN MACHINED OR GROUND IN ONE OR MORE PLACES OR OVER ITS ENTIRE LENGTH TO A MAXIMUM DIAMETER LESS THAN THE MINIMUM PITCH DIAMETER OF THE THREAD (EXCLUDES UNDERCUTS FOR THREAD RELIEF). IT IS NO. 10 (0.190 IN.) (5 MM) OR LARGER IN SIZE AND HAS A HEAD WHICH IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, INTERNAL WRENCHING AND THUMBSCREW. SEE ALSO SCREW, EXTERNALLY RELIEVED BODY.

Manufacturer Information:

NAS566C51

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	1.578 INCHES MINIMUM AND
	1.625 INCHES MAXIMUM
MATERIAL	IRON ALLOY 660 OVERALL
THREAD LENGTH	1.435 INCHES MINIMUM AND
	1.595 INCHES MAXIMUM
HEAD STYLE	HEXAGON
THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND
	40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
HEAD HEIGHT	0.281 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.552 INCHES MINIMUM AND
	0.564 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE TYPE	DRILLED
HOLE QUANTITY	6
HOLE DIAMETER	0.070 INCHES MINIMUM AND
	0.080 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
SPECIFICATION/STANDARD DATA	80205-NAS566 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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