5305-01-037-6057 SCREW,MACHINE Index 5305-01-037-6059 SCREW,CAP,SOCKET HEAD

National Stock Number:
5306-01-037-6058

Federal Supply Class:
5306

National Item Identification Number:
010376058

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
MS51095-307L80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS51095-307L96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.844 INCHES MINIMUM AND
0.875 INCHES MAXIMUM
MATERIALSTEEL OVERALL
THREAD LENGTH0.724 INCHES MINIMUM AND
0.875 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 CLASS 2 FED SPEC ALL TREATMENT RESPONSES 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
FEATURES PROVIDEDFINISHED HEAD
SPECIAL FEATURES0.062 IN. DIA HOLE THROUGH HEAD
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
10P STYLE AND
5 GRADE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-85


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