5306-00-725-1905 BOLT,MACHINE Index 5306-00-725-1908 BOLT,MACHINE

National Stock Number:
5306-00-725-1907

Federal Supply Class:
5306

National Item Identification Number:
007251907

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:
AN12-14A80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
AN12-14A88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
DEPARTURE FROM CITED DESIGNATORAS MOD BY MATERIAL
FASTENER LENGTH1.641 INCHES MINIMUM AND 1.688 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A545 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A546 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A547 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A549 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A304 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A322 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A331 ASSN STD 7TH MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.750 INCHES
WIDTH BETWEEN FLATS1.053 INCHES MINIMUM AND 1.066 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH1.063 INCHES MINIMUM AND 1.141 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH16


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