5306-01-133-0138 BOLT,MACHINE Index 5306-01-133-0140 BOLT,MACHINE

National Stock Number:
5306-01-133-0139

Federal Supply Class:
5306

National Item Identification Number:
011330139

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:
NAS428-5-2680205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS428-5A2680205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH2.750 INCHES MINIMUM AND 2.750 INCHES MINIMUM AND 2.752 INCHES MAXIMUM2.752 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEADFINISHED HEAD
GRIP LENGTH0.031 INCHES MINIMUM AND 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM0.062 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.162 INCHES MINIMUM AND 0.182 INCHES MAXIMUM0.182 INCHES MAXIMUM
HEAD STYLECROWNED HEXAGONCROWNED HEXAGON
MATERIALSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES0.312 INCHES
SPECIFICATION/STANDARD DATA80205-NAS428 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD80205-NAS428 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS0.490 INCHES MINIMUM AND 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM0.502 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CADMIUM AND CHROMATE OVERALLCHROMATE OVERALL
THREAD CLASS3A3A
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
THREAD LENGTH2.688 INCHES MINIMUM AND 2.688 INCHES MINIMUM AND 2.721 INCHES MAXIMUM2.721 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH2424


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