In force1999 Revised EditionCurrent version · 1999 Revised EditionSee versions on Singapore Statutes Online(opens the publisher’s site)
73. Locking of nuts
Feedback & supportAll moving parts of a vehicle and all parts subject to severe vibration which are connected by bolts or studs and nuts shall be fastened by —
(a)
lock nuts;
(b)
nuts and efficient spring;
(c)
lock nut washers;
(d)
castellated nuts and split pins; or
(e)
some other efficient device,to prevent their working or coming loose.