5330-00-477-6770 GASKET Index 5330-00-477-6774 SEAL,PLAIN

National Stock Number:
5305-00-477-6771

Federal Supply Class:
5305

National Item Identification Number:
004776771

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:
2-56NC3AX5-1608664BRISTOL BABCOCK INC INSTRUMENTS-SYSTEMS DIV SUB OF BABCOCK INTL INC
655-364-901470210HONEYWELL INTERNATIONAL INC.


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.168 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESIX SPLINE
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.086 INCHES
SPLINE MAJOR DIAMETER0.061 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
SPLINE MINOR DIAMETER0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM
SPLINE WIDTH0.013 INCHES MINIMUM AND 0.014 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.196 INCHES MINIMUM AND 0.264 INCHES MAXIMUM
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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