5306-00-151-2981 BOLT,MACHINE Index 5305-00-151-2988 SCREW,MACHINE

National Stock Number:
5306-00-151-2982

Federal Supply Class:
5306

National Item Identification Number:
001512982

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:
AN81-2081352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
AN81-2088044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MILB681280205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MILB681281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.046 INCHES MINIMUM AND
2.093 INCHES MAXIMUM
MATERIALSTEEL OVERALL
THREAD LENGTH1.062 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
SURFACE TREATMENTCADMIUM OR
DICHROMATE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.562 INCHES NOMINAL
WIDTH BETWEEN FLATS1.115 INCHES MINIMUM AND
1.128 INCHES MAXIMUM
HOLE CONFIGURATION STYLEROUND
HOLE TYPEDRILLED
HOLE QUANTITY6
HOLE DIAMETER0.062 INCHES NOMINAL
GRIP LENGTH1.000 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN81-20


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