5340-01-422-8256 RETAINER,HELICAL COMPRESSION SPR Index 5305-01-422-8258 SETSCREW

National Stock Number:
5307-01-422-8257

Federal Supply Class:
5307

National Item Identification Number:
014228257

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:
M63540/3-16-981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-63540/381349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALSTEEL COMP 303 AND
STEEL COMP 303SE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD ALL MATERIAL RESPONSES
SURFACE TREATMENTPASSIVATE OVERALL
STYLE DESIGNATORSELF-LOCKING
HEAD DIAMETER0.199 INCHES NOMINAL
HEAD LENGTH0.082 INCHES MINIMUM AND
0.083 INCHES MAXIMUM
DISTANCE ACROSS FLATS0.235 INCHES MINIMUM AND
0.265 INCHES MAXIMUM
OVERALL LENGTH0.563 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD SIZE0.138 INCHES
THREAD CLASS2A
THREAD QUANTITY PER INCH32
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD LENGTH0.375 INCHES NOMINAL
LOCKING FEATUREHEAD DISTORTIONS
SPEC/STD CONTROLLING DATA
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-S-63540/3
MANUFACTURERS CODE81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEM63540/3-16-9


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