5306-01-234-3069 BOLT,U Index 5306-01-234-3071 BOLT,MACHINE

National Stock Number:
5306-01-234-3070

Federal Supply Class:
5306

National Item Identification Number:
012343070

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:
FF-S-8581348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS51095-303L80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS51095-303L96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.469 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
MATERIALSTEEL OVERALL
THREAD LENGTH0.375 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND
34.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.150 INCHES MINIMUM AND
0.163 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
LOCKING FEATUREPATCH OR
STRIP THREADS
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE TYPEDRILLED
HOLE QUANTITY1
HOLE DIAMETER0.060 INCHES MINIMUM AND
0.068 INCHES MAXIMUM
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
10P STYLE
CRITICALITY CODE JUSTIFICATIONFEAT
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-85


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