Railway parts classification turns on special design and function; nylon brake gear bushes fall under Heading 86.07, not plastic articles.

Nylon brake gear bushes used in railway brake gear are treated as railway parts under Heading 86.07 where they are specially designed for railway rolling stock and do not fall within the exclusion for parts of general use, joints, washers or the like. On that reasoning, their anti-friction and supportive function in the braking system was held to distinguish them from washers, and classification under Heading 3926.90 was rejected. Because the goods were classified outside Chapter 39, the benefit of Notification No. 53/88 was also denied.

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Issues: (i) Whether nylon brake gear bushes used in railway brake gear are classifiable under Heading 86.07 as parts of railway rolling stock or under Heading 3926.90 as other articles of plastic; (ii) Whether such goods are entitled to the benefit of Notification No. 53/88 dated 1-3-1988.

Issue (i): Whether nylon brake gear bushes used in railway brake gear are classifiable under Heading 86.07 as parts of railway rolling stock or under Heading 3926.90 as other articles of plastic.

Analysis: Heading 86.07 applies only to parts identifiable as suitable solely or principally for railway or tramway locomotives or rolling stock and not excluded by the notes to Section XVII. The decisive question was whether the bushes were covered by the exclusion for joints, washers or the like, or other parts of general use. On the facts, the goods were specially designed for railway brake gear and performed an anti-friction, supportive function in the braking system. The majority held that the articles were distinct from washers, were not parts of general use, and were therefore classifiable as railway parts under Heading 86.07.

Conclusion: The goods are classifiable under Heading 86.07 and not under Heading 3926.90.

Issue (ii): Whether such goods are entitled to the benefit of Notification No. 53/88 dated 1-3-1988.

Analysis: The notification was available only to specified goods falling within Chapter 39 subject to its conditions. Once the goods were held to fall under Heading 86.07, the claimed exemption could not be sustained. The relevant factual and legal basis for exemption was therefore displaced by the tariff classification adopted by the majority.

Conclusion: The goods are not entitled to the benefit of Notification No. 53/88.

Final Conclusion: The Revenue succeeded, the classification under Heading 86.07 was accepted, and the exemption claim was negatived.

Ratio Decidendi: Goods specially designed for use solely or principally with railway rolling stock are classifiable under Heading 86.07 unless specifically excluded by the Section notes; articles having an anti-friction, supportive function are not to be treated as washers merely because they perform a cushioning role.

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