5905-01-071-7105 RESISTOR,VARIABLE,NONWIRE WOUND, Index 5305-01-071-7108 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-071-7106

Federal Supply Class:
5306

National Item Identification Number:
010717106

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:
AN8C8588044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH8.688 INCHES MINIMUM AND
8.750 INCHES MAXIMUM
MATERIALSTEEL COMP 431 OVERALL
THREAD LENGTH0.749 INCHES MINIMUM AND
0.828 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
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 HEIGHT0.265 INCHES MINIMUM AND
0.297 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.740 INCHES MINIMUM AND
0.752 INCHES MAXIMUM
GRIP LENGTH7.922 INCHES MINIMUM AND
7.954 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER8.531 INCHES MINIMUM AND
8.563 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.106 INCHES MINIMUM AND
0.116 INCHES MAXIMUM FIRST HOLE
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN8C85


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