Supply Of 1. Rubber Kit For N-1 Reducing Valve Consisting Of 5 Items To Ftil Pt. No. 790523101, Consistng Of 5 Items. 1) O Ring - Wabco Pt.no.531868 / Sil Drg.no.30070224:- Qty: 2 Per Set; 2) O Ring - Wabco Pt.no.564056 / Sil.pt.drg.no.30070321:- Qty. 1 Per Set; 3) Diaphragm- Wabco Pt.no.526346 / Sil Drg.no.30070441:- Qty: 1 Per Set; 4) Gasket - Wabco Pt.no.558515 / Sil Drg.no.00184902:- Qty: 2 Per Set; 5) Dirt Protector - Wabco Pt.no.564855 / Sil Drg.no.30180100:- Qty: 1 Per Set. To Be Procured From Rdso Approved Source.2. General Maintenance Kit For N1 Reducing Valve, Consisting Of 3 Items Of 4 Nos, As Per Attached Annexure & Ftrtipl Part No: 790523104 Or Similar. To Be Procured From Rdso Approved Source.3. Spring Kit For N1 Reducing Valve For Ftrtil Panel Mounted Air Brake System As Per Ftrtil Part No. 790523103. To Be Procured From Rdso Approved Source.