2815-01-561-2236 ENGINE BLOCK,DIESEL Index 2590-01-561-2238 CONNECTOR,MRAP

National Stock Number:
5305-01-561-2237

Federal Supply Class:
5305

National Item Identification Number:
015612237

Description:
SCREW,SELF-DRILLING

Detail:
A HARDENED, EXTERNALLY-THREADED FASTENER WITH A SELF-DRILLING POINT. IT DRILLS, TAPS AND FASTENS AND MAY HAVE A MACHINE SCREW THREAD OR A NONMACHINE SCREW THREAD. THE THREADS USUALLY EXTEND FROM BEHIND THE PILOT TO THE BEARING SURFACE OF THE HEAD.


Manufacturer Information:
1004139261C19MIL-COTS CORPORATION
11319430Y3H3FASTENAL COMPANY
12759-007250Y3H3FASTENAL COMPANY
94425A5102V507MCMASTER-CARR SUPPLY COMPANY


Techincal Specification:
EXTENDED WASHER DIAMETER0.322 INCHES MINIMUM AND 0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM0.348 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.019 INCHES MINIMUM AND 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM0.031 INCHES MAXIMUM
FASTENER LENGTH0.500 INCHES NOMINAL0.500 INCHES NOMINAL
HEAD HEIGHT0.115 INCHES MINIMUM AND 0.115 INCHES MINIMUM AND 0.141 INCHES MAXIMUM0.141 INCHES MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHERHEXAGON EXTENDED WASHER
INTERNAL DRIVE STYLETORXTORX
MATERIALSTEEL COMP 410 OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES0.164 INCHES
PILOT LENGTH0.1812 INCHES MINIMUM AND 0.1812 INCHES MINIMUM AND 0.2008 INCHES MAXIMUM0.2008 INCHES MAXIMUM
POINT STYLESELF-DRILLINGSELF-DRILLING
WIDTH BETWEEN FLATS0.244 INCHES MINIMUM AND 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM0.250 INCHES MAXIMUM
SPLINE MAJOR DIAMETER0.40 INCHES NOMINAL0.40 INCHES NOMINAL
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
THREAD QUANTITY PER INCH1818


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