5305-00-579-0977 SCREW,TAPPING Index 5306-00-579-0980 BOLT,SHEAR

National Stock Number:
5305-00-579-0979

Federal Supply Class:
5305

National Item Identification Number:
005790979

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:
NK503-6-626233NYLOK LLC


Techincal Specification:
FASTENER LENGTH0.375 INCHES NOMINAL
HEAD HEIGHT0.089 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
HEAD DIAMETER0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLESLOT
LOCKING FEATUREPELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8630 OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD LENGTH0.312 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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