5305-00-680-6781 SCREW,MACHINE Index 5310-00-680-6787 WASHER,FLAT

National Stock Number:
5305-00-680-6782

Federal Supply Class:
5305

National Item Identification Number:
006806782

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:
645009H44S17283BEK INC
645009H44S45934ONTIC ENGINEERING & MANUFACTURING, INC
645009H44S99551GOODRICH CORPORATION


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.270 INCHES NOMINAL
HEAD HEIGHT0.164 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
HOLE DIAMETER0.031 INCHES NOMINAL
HOLE QUANTITY2
HOLE TYPEDRILLED
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
WIDTH ACROSS FLATS0.125 INCHES NOMINAL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.438 INCHES MINIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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