5305-01-336-2986 SETSCREW Index 5305-01-336-2988 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-336-2987

Federal Supply Class:
5305

National Item Identification Number:
013362987

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:
8S269611083CATERPILLAR INC


Techincal Specification:
FASTENER LENGTH12.7 MILLIMETERS NOMINAL
HEAD DIAMETER16.66 MILLIMETERS NOMINAL
HEAD HEIGHT11.13 MILLIMETERS NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION1E2243 CAGEC 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.438 INCHES
WIDTH ACROSS FLATS9.52 MILLIMETERS NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH10.16 MILLIMETERS NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF


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