5306-00-141-4710 BOLT,MACHINE Index 5306-00-141-4713 BOLT,MACHINE

National Stock Number:
5306-00-141-4712

Federal Supply Class:
5306

National Item Identification Number:
001414712

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:
681280205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
AN4C71A80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
B681281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
AN4C71A88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH7.141 INCHES MINIMUM AND
7.188 INCHES MAXIMUM
MATERIALSTEEL COMP 431 OVERALL
THREAD LENGTH0.438 INCHES MINIMUM AND
0.516 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.140 INCHES MINIMUM AND
0.172 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND
0.440 INCHES MAXIMUM
GRIP LENGTH6.672 INCHES MINIMUM AND
6.703 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN4C71A
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEB6812


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