5305-01-494-7020 SCREW,CLOSE TOLERANCE Index 5305-01-494-7022 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-494-7021

Federal Supply Class:
5305

National Item Identification Number:
014947021

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:
NAS1351C12-3280205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH2.000 INCHES NOMINAL
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
HEAD DIAMETER1.107 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
HEAD HEIGHT0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A493 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES
SPECIFICATION/STANDARD DATA80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-A16 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.000 INCHES MINIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNRF
WIDTH ACROSS FLATS0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM


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