IS 12798 : 1989 Household Sewing Machines - Flywheels - Specification

UDC 687.053 : 621-562                                        MED29

Reaffirmed 2020

1 Scope

1.1 This standard lays down the requirements for three types of flywheels for sewing machines for household purposes.

2 References

IS 210 : 1978 Specification for grey iron casting

IS 1068 : 1985 Electroplated coating of nickel plus chromium and copper plus nickel plus chromium on iron and steel

IS 2102 : Part 1 : 1980 General tolerances for dimensions and form and position: Part 1 General tolerances for linear and angular dimensions

IS 2500 : Part 1 : 1973 Sampling inspection table: Part 1 Inspection by attributes and by count of defects

IS 4905 : 1968 Methods for random sampling