Closure.

Current as of 2003-10-01 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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Closure for the protective overpack must be provided by at least 4 mild steel hinges formed from minimum 2.5 cm (1 inch) × 5 mm (3/16 inch) bar stock. Hinge pins must be minimum 6 mm (1/4 inch) diameter by 13.3 cm (51/4 inches) long mild steel rod drilled at both ends for cotter pins.

[66 FR 45389, Aug. 28, 2001]