3020-00-689-8078 GUARD,MECHANICAL DRIVE Index 1710-00-689-8083 STRAP,CARGO

National Stock Number:
5305-00-689-8080

Federal Supply Class:
5305

National Item Identification Number:
006898080

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:
33AF1121-08-0935351GE AVIATION SYSTEMS LLC


Techincal Specification:
FASTENER LENGTH0.563 INCHES NOMINAL
HARDNESS RATING70.0 ROCKWELL B MINIMUM AND 90.0 ROCKWELL B MAXIMUM OVERALL
HEAD DIAMETER0.270 INCHES NOMINAL
HEAD HEIGHT0.164 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.563 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.142 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL


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