5306-01-301-7839 BOLT,MACHINE Index 5305-01-301-7841 SCREW,TAPPING

National Stock Number:
5305-01-301-7840

Federal Supply Class:
5305

National Item Identification Number:
013017840

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:
M62HS616-12C14438NYLOK LLC
NM162HS616K12C26233NYLOK LLC


Techincal Specification:
FASTENER LENGTH0.375 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM FASTENER
HEAD DIAMETER0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIALSTEEL FASTENER
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH ACROSS FLATS0.312 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH16


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