5306-00-261-2685 BOLT,MACHINE Index 5306-00-261-2711 BOLT,MACHINE

National Stock Number:
5306-00-261-2704

Federal Supply Class:
5306

National Item Identification Number:
002612704

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:
FF-S-8581348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.625 INCHES MINIMUM AND
2.750 INCHES MAXIMUM
MATERIALSTEEL OVERALL
THREAD LENGTH1.625 INCHES MINIMUM AND
1.750 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.455 INCHES MINIMUM AND
0.483 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.088 INCHES MINIMUM AND
1.125 INCHES MAXIMUM
GRIP LENGTH1.000 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
10P STYLE AND
5 GRADE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-85


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