5305-01-049-4020 SCREW,TAPPING Index 5305-01-049-4024 SETSCREW

National Stock Number:
5305-01-049-4022

Federal Supply Class:
5305

National Item Identification Number:
010494022

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
1051654519200US ARMY ARDEC RDECOM


Techincal Specification:
FASTENER LENGTH1.312 INCHES NOMINAL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR ASTM A581 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A582 ASSN STD 3RD MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
POINT LENGTH1.092 INCHES MINIMUM AND 1.097 INCHES MAXIMUM
POINT STYLECHAMFER DOG
POINT CHAMFER ANGLE90.0 DEGREES NOMINAL
POINT DIAMETER0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
THREAD CLASS2A
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24


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