5305-01-391-2171 SCREW,MACHINE Index 5305-01-391-2173 SCREW,CLOSE TOLERANCE

National Stock Number:
5307-01-391-2172

Federal Supply Class:
5307

National Item Identification Number:
013912172

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:
M63540/3-5-581349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALSTEEL COMP 303 OR
STEEL COMP 303SE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD ALL MATERIAL RESPONSES
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSELF-LOCKING
HEAD DIAMETER0.157 INCHES NOMINAL
HEAD LENGTH0.035 INCHES MINIMUM AND
0.041 INCHES MAXIMUM
DISTANCE ACROSS FLATS0.172 INCHES MINIMUM AND
0.202 INCHES MAXIMUM
OVERALL LENGTH0.347 INCHES MINIMUM AND
0.353 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC NUT THREAD
NOMINAL THREAD SIZE0.112 INCHES NUT THREAD
THREAD CLASS2A NUT THREAD
THREAD QUANTITY PER INCH40 NUT THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD LENGTH0.312 INCHES NOMINAL NUT THREAD
LOCKING FEATURESELF-CLINCHING HEAD
HARDNESS RATING171.0 ROCKWELL B MINIMUM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEM63540/3-5-5


Click here to Register for Free 30-day Trial