5307-00-788-7162 STUD,SELF-LOCKING Index 4920-00-788-7178 FIXTURE,AIRCRAFT MAINTENANCE

National Stock Number:
5307-00-788-7168

Federal Supply Class:
5307

National Item Identification Number:
007887168

Description:
STUD,SELF-LOCKING

Detail:
A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see BOLT, SELF-LOCKING and STUD, LOCKED IN. Excludes INSERT, SCREW THREAD.


Manufacturer Information:
NCS8-8-1257227PICS SCREW MACHINE, INC.
NCS8-8-1271313VIKING TECHNOLOGIES, LTD.


Techincal Specification:
DISTANCE ACROSS FLATS0.312 INCHES NOMINAL
HEAD DIAMETER0.259 INCHES MINIMUM AND 0.263 INCHES MAXIMUM
HEAD LENGTH0.231 INCHES MINIMUM AND 0.241 INCHES MAXIMUM
LOCKING FEATURESELF-CLINCHING HEAD
OVERALL LENGTH0.591 INCHES MINIMUM AND 0.631 INCHES MAXIMUM
MATERIALSTEEL COMP 303
NOMINAL THREAD SIZE0.164 INCHES NUT THREAD
STYLE DESIGNATORSELF-LOCKING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A NUT THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD LENGTH0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM NUT THREAD
THREAD SERIES DESIGNATORUNC NUT THREAD
THREAD QUANTITY PER INCH32 NUT THREAD


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