5305-01-278-3784 SCREW,MACHINE Index 5305-01-278-3786 WASHER,SWING C

National Stock Number:
5305-01-278-3785

Federal Supply Class:
5305

National Item Identification Number:
012783785

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:
1037-77731361WOODWARD, INC.
1037-77766503WOODWARD, INC.


Techincal Specification:
FASTENER LENGTH0.250 INCHES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.139 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
THREAD CLASS2A
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH18


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