View all text of Subjgrp 246 [§ 183.550 - § 183.572]
§ 183.556 - Plugs and fittings.
(a) A fuel system must not have a fitting for draining fuel.
(b) A plug used to service the fuel filter or strainer must have a tapered pipethread or be a screw type fitted with a locking device other than a split lock washer.