5305-01-557-6866 SCREW,MACHINE Index 5305-01-556-9557 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-557-8125

Federal Supply Class:
5305

National Item Identification Number:
015578125

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:
NAS1351N8LN2080205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
EXTENDED WASHER DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD HEIGHT0.500 INCHES NOMINAL
HEAD STYLECHAMFER FLANGE
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,CAP,SOCKET HEAD
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNRF
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL


Click here to Register for Free 30-day Trial