5305-01-291-8875 SCREW,CAP,SOCKET HEAD Index 5305-01-291-8877 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-291-8876

Federal Supply Class:
5305

National Item Identification Number:
012918876

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:
DIN7984M4X25-STL8.8D8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
M4X25DIN7984-8.8CY21969ZELENDA MACHINE AND TOOLS CORP


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH25.0 MILLIMETERS NOMINAL
HEAD DIAMETER7.0 MILLIMETERS NOMINAL
HEAD HEIGHT2.8 MILLIMETERS NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONDIN 7984 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER4.0 MILLIMETERS
WIDTH ACROSS FLATS2.5 MILLIMETERS NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH23.60 MILLIMETERS MINIMUM AND 25.00 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS0.7


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