IS 4340 : 2025 Needle Bar Links for Sewing Machines for Household Purposes - Specification
1 SCOPE
1.1 This standard covers the requirements for two types of needle bar links for sewing machines for household purposes.
1.2 This standard does not deal with needle bar links used in industrial and special purpose sewing machines.
2 REFERENCES
The standards listed in Annex A contain provisions which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards.
| IS No. | Title |
| IS 210 : 2009 | Grey iron castings - Specification (fifth revision) |
| IS 1500 (Part 1) : 2019/ISO 6506- 1 : 2014 | Metallic materials - Brinell hardness test: Part 1 Test method (fifth revision) |
| IS 1501 (Part 1) : 2020/ISO 6507- 1 : 2018 | Metallic materials - Vickers hardness test: Part 1 Test method (fifth revision ) |
| IS 1570 (Part 2/Sec 1) : 1979 | Schedules for wrought steels: Part 2 Carbon steels (Unalloyed steels), Sec 1 Wrought products (other than, wire) with specified chemical composition and related properties (first revision) |
| IS 2500 (Part 1) : 2000/ISO 2859-1 : 1999 | Sampling procedures for inspection by attributes: Part 1 Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (third revision) |
| IS 3073 : 1967 | Assessment of surface roughness |