5306-00-261-3385 BOLT,MACHINE Index 5306-00-261-3388 BOLT,MACHINE

National Stock Number:
5306-00-261-3386

Federal Supply Class:
5306

National Item Identification Number:
002613386

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:
191312716764GENERAL MOTORS CORP DELCO REMY DIV
19131271LW55BORGWARNER PDS (ANDERSON), L.L.C.
191312724617GENERAL MOTORS CORP
19131277X677GENERAL MOTORS LLC
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.625 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH0.562 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
SURFACE TREATMENTDICHROMATE ZINC OVERALL
HEAD HEIGHT0.188 INCHES NOMINAL
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE TYPEDRILLED
HOLE QUANTITY1
HOLE DIAMETER0.062 INCHES NOMINAL
FEATURES PROVIDEDUNFINISHED HEAD
NONDEFINITIVE SPEC/STD DATA1 TYPE AND
5 GRADE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-DTL-1222


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