5970-12-163-9946 INACTIVE Index 5305-12-163-9948 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-12-163-9947

Federal Supply Class:
5305

National Item Identification Number:
121639947

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
423501H6077MAFO NAVAL CLOSURES B.V.
C940812 POS 49H6077MAFO NAVAL CLOSURES B.V.
DIN7991-M4X12-A4-70D8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN7991M4X12A4D8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
M4X12DIN7991-A4-70D8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
M4X12DIN7991A4D8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
TEST DATA DOCUMENTD8286-DIN7991 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH7.6 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.7
COUNTERSINK ANGLE90.0 DEGREES NOMINAL
EXTERNAL THREAD TOLERANCE CLASS6 KLEIN G
FASTENER LENGTH12.0 MILLIMETERS NOMINAL
HEAD DIAMETER8.0 MILLIMETERS NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONDIN267TEIL11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP A4 OVERALL
MINIMUM TENSILE STRENGTH700 NEWTONS PER SQUARE MILLIMETER
NOMINAL THREAD DIAMETER4.0 MILLIMETERS
OFFSET YIELD STRENGTH550.0 NEWTONS PER SQUARE MILLIMETER
PURCHASE DESCRIPTION IDENTIFICATIOND8286-DIN7991-M4X12-A2-70
WIDTH ACROSS FLATS2.5 MILLIMETERS NOMINAL


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