5305-00-721-5914 SCREW,EXTERNALLY RELIEVED BODY Index 5310-00-721-5922 NUT,SELF-LOCKING,CLINCH

National Stock Number:
5305-00-721-5915

Federal Supply Class:
5305

National Item Identification Number:
007215915

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:
914413218876U S ARMY AVIATION AND MISSILE COMMAND
914413219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
FASTENER LENGTH0.625 INCHES NOMINAL
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.312 INCHES NOMINAL
HEAD HEIGHT0.190 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES MINIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNC


Click here to Register for Free 30-day Trial