Specifies classification, design, interchangeability of dimensions with tolerances, finish, marking requirements for 70 mm and 110 mm towballs, which are used for the towing of trailers above 3.5 t in tension and compression. A dynamic test is given in an appendix.
Table of contents
Header
About this publication
PREFACE
1 SCOPE
2 OBJECTIVE
3 REFERENCED DOCUMENTS
4 DEFINITIONS
5 MECHANICAL PROPERTIES AND PERFORMANCE REQUIREMENTS
5.1 70 mm diameter shanked-type towballs
5.2 70 mm diameter non-shanked type and 110 mm diameter towballs
5.3 Other material
6 DESIGN AND CONSTRUCTION
6.1 General
6.2 Shanked-type towballs
6.3 Means of retention
7 FINISH
7.1 Surface roughness
7.2 Corrosion protection
8 PERFORMANCE REQUIREMENTS
9 MARKING
10 PACKAGING
APPENDIX A
A1 SCOPE
A2 PRINCIPLE
A3 APPARATUS
A4 TEST FORCE
A4.1 Coupling point
A4.2 Towball
A4.2.1 70 mm towball
A4.2.2 110 mm towball
A5 PROCEDURE
A6 REPORT
Cited references in this standard
Content history
DR 95282
AS 3819.1-1998 Rec:2016
Please select a variation to view its description.
