5305-14-443-4070 SCREW,MACHINE Index 5305-14-552-2455 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-14-532-6070

Federal Supply Class:
5305

National Item Identification Number:
145326070

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:
22221BC050012LEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22221BC050012LEF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
22221BC050012LEF1236PREAULT TECHNOLOGIES
22221BC050012LEF3669DELTA METAL
22221BC050012LEF4796ETABLISSEMENTS BD
22221BC050012LEF7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
L22221-50-12BCLEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE


Techincal Specification:
CHAMFER ANGLE45.0 DEGREES NOMINAL
CHAMFER LENGTH0.8 MILLIMETERS MAXIMUM
EXTERNAL THREAD TOLERANCE CLASS4H
FASTENER LENGTH12.0 MILLIMETERS NOMINAL
HEAD DIAMETER8.5 MILLIMETERS NOMINAL
HEAD HEIGHT5.0 MILLIMETERS NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 35NC6 OVERALL
NOMINAL THREAD DIAMETER5.0 MILLIMETERS
WIDTH ACROSS FLATS4.0 MILLIMETERS NOMINAL
SURFACE FINISH1.6 MICROMETERS BEARING SURFACE OF HEAD
SURFACE FINISH1.6 MICROMETERS GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNF L 09-753 CODE LE NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
TEST DATA DOCUMENTF3025-AIR 9173 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD FORMING METHODROLLED
THREAD LENGTH7.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.8


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