Specifies olive type fittings for use with copper, copper alloy, aluminium alloy, rolled and coated steel tubing. Applies to Type A fittings defined in Part 1 in the size range 3 mm to 22 mm and 3 to 12 mm for external and internal types respectively.Cross References:BS 21BS 1936:Part 2BS 2051:Part 1BS 2779BS 2870BS 2871:Part 1BS 2871:Part 2BS 2872BS 2874BS 3643:Part 2BS 6017