4730-01-529-7230 FERRULE,COMPRESSION,TUBE FITTING Index 5306-01-529-7232 BOLT,MACHINE

National Stock Number:
5305-01-529-7231

Federal Supply Class:
5305

National Item Identification Number:
015297231

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:
B1831BH200040N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
THREAD SERIES DESIGNATORISO M
NOMINAL THREAD DIAMETER20.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS2.5
EXTERNAL THREAD TOLERANCE CLASS4G6G
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH40.0 MILLIMETERS NOMINAL
FASTENER LENGTH40.0 MILLIMETERS NOMINAL
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM 633, TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEPAN NO. 2
HEAD DIAMETER29.5 MILLIMETERS MINIMUM AND
30.0 MILLIMETERS MAXIMUM
HEAD HEIGHT19.7 MILLIMETERS MINIMUM AND
20.0 MILLIMETERS MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS17.0 MILLIMETERS NOMINAL


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