5306-01-291-0687 BOLT,SHEAR Index 5305-01-291-0689 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-291-0688

Federal Supply Class:
5305

National Item Identification Number:
012910688

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:
DIN7991M4X14-STL10.9D8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
M4X14DIN7991-10.921969ZELENDA MACHINE AND TOOLS CORP
M4X14MMDIN7991/10.91CJ86BOSSARD INTL INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH14.0 MILLIMETERS NOMINAL
HEAD DIAMETER8.0 MILLIMETERS NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONDIN 7991 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL PROPERTY CLASS 10.9 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER4.0 MILLIMETERS
WIDTH ACROSS FLATS2.5 MILLIMETERS NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH12.6 MILLIMETERS MINIMUM AND 14.0 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS0.7


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