5305-00-057-1078 SCREW,CAP,HEXAGON HEAD Index 5305-00-057-1080 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-00-057-1079

Federal Supply Class:
5305

National Item Identification Number:
000571079

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
57107900000ORDNANCE CORPS
FFS85TYPE2STYLE10P81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
THREAD LENGTH1.500 INCHES MINIMUM AND
1.688 INCHES MAXIMUM
FASTENER LENGTH2.000 INCHES NOMINAL
MATERIALSTEEL OVERALL
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-16232,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH120000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.378 INCHES MINIMUM AND
0.403 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.922 INCHES MINIMUM AND
0.938 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFFS85TYPE2STYLE10P


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