5305-01-057-3741 SCREW,MACHINE Index 5305-01-057-3743 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-057-3742

Federal Supply Class:
5305

National Item Identification Number:
010573742

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
NAS1351-08-880205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH155000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.164 INCHES
SPECIAL FEATURESFINISH COLOR BLACK
SPECIFICATION/STANDARD DATA80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH ACROSS FLATS0.140 INCHES MINIMUM AND 0.142 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CL1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.414 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH36
THREAD SERIES DESIGNATORUNRF


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