5306-01-018-7231 BOLT,MACHINE Index 5305-01-018-7233 SCREW,MACHINE

National Stock Number:
5306-01-018-7232

Federal Supply Class:
5306

National Item Identification Number:
010187232

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:
MS20074-10-2596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS20074-10-25
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.672 INCHES MINIMUM AND
2.719 INCHES MAXIMUM
MATERIALSTEEL COMP 4140 OR
STEEL COMP 8630 OR
STEEL COMP 8735 OR
STEEL COMP 4130 OVERALL
THREAD LENGTH0.968 INCHES MINIMUM AND
1.047 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH11
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR
MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR
MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR
MIL-S-6758 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.453 INCHES MINIMUM AND
0.484 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.928 INCHES MINIMUM AND
0.939 INCHES MAXIMUM
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE TYPEDRILLED
HOLE QUANTITY6
HOLE DIAMETER0.070 INCHES NOMINAL
GRIP LENGTH1.672 INCHES MINIMUM AND
1.704 INCHES MAXIMUM


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