IS 6142 : 1971 Specification for Ships Single Sheave Blocks with Becket

1 Scope

1.1 This standard specifies the material, general dimensions andtests for ships single sheave blocks with becket for safe workingloads 1 to 8 tonnes.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 2102 : 1969Allowable deviations for dimensions Without specifiedtolerances

IS 6140 : 1971Specification for ships snatch blocks

IS 6143 : 1971Specification for sheaves used with ships block