Dimensions, mechanical properties, performance requirements and nut heights for nuts in a range of sizes from 3 mm to 36 mm. The nuts may have either metallic or non-metallic locking elements. Temperature ranges in which the nuts may be used are also stated.Cross References:BS 240:Part 1BS 427:Part 1BS 860BS 891:Part 1BS 3382BS 3643BS 3692BS 4320BS 1706Partially replaced by BS EN ISO 2320:1998, BS EN ISO 7042:1998 and BS EN ISO 7719:1998.Incorporates the following:AMD 2105 published 29 October 1976