IS 3817 : 1991 Household sewing machines - Arm shaft - Specification

UDC 687.053 - 233.1 MED 29
Reaffirmed 2022

1 Scope

This standard specifies the requirements for arm shafts forsewing machines for household purposes.

2 References

IS 1501 : Part 1 :1984 Method for Vickers hardness test formetallicmaterials :Part 1 HV 5 to HV 100

IS 2102 : Part 1 :1980 General tolerances for dimensions and formandposition :Part 1 General tolerances for linear and angulardimensions

IS 2500 : Part 1 :1973 Sampling inspection tables :Part 1 Inspection by attributes and by count ofdefects

IS 4905 :1968Methods for random sampling