5305-12-371-5439 SCREW,CAP,SOCKET HEAD Index 5998-12-371-5542 CIRCUIT CARD ASSEMBLY

National Stock Number:
5305-12-371-5441

Federal Supply Class:
5305

National Item Identification Number:
123715441

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:
DIN7991-M5X20-12.9-A2DD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
COUNTERSINK ANGLE90,0 DEGREES NOMINAL
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH20,0 MILLIMETERS NOMINAL
HEAD DIAMETER10,0 MILLIMETERS NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH1220 NEWTONS PER SQUARE MILLIMETER
NOMINAL THREAD DIAMETER5,0 MILLIMETERS
WIDTH ACROSS FLATS3,0 MILLIMETERS NOMINAL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH14,8 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0,8


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