5305-01-046-7988 SCREW,MACHINE Index 5306-01-046-7990 BOLT,MACHINE

National Stock Number:
5305-01-046-7989

Federal Supply Class:
5305

National Item Identification Number:
010467989

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:
2640-680X2 PIECE 1896169ELECTRIC BOAT CORPORATION
NAS1352-8-32P80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
SS845-2180772 PIECE 1880064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH1.940 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM YIELD STRENGTH155000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.500 INCHES
WIDTH ACROSS FLATS0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH1.500 INCHES MINIMUM
THREAD SERIES DESIGNATORUNRC
THREAD QUANTITY PER INCH13


Click here to Register for Free 30-day Trial