Part Number: 330-1268-00

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CONDITION:
NS
ROCKWELL COLLINS, INC.13499
SPS TECHNOLOGIES, LLC56878
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.219 INCHES MINIMUM
FASTENER LENGTH0.562 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.142 INCHES MINIMUM AND 0.146 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.344 INCHES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.164 INCHES
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
HARDNESS RATING38.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD SERIES DESIGNATORUNC
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.219 INCHES MINIMUM
FASTENER LENGTH0.562 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.142 INCHES MINIMUM AND 0.146 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.344 INCHES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.164 INCHES
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
HARDNESS RATING38.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD SERIES DESIGNATORUNC
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 1 ( .19 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.