procurement of spares for overhaul of centrifugal air compressor # 1 , replacement of overhaul of centrifugal air compressor#1 , kit service i/cooler / product code: 2855901150(qty- 2) , main oil pump delivery hose/ prod.code 2858095850(qty- 1) , kit service std comp split line/prd.code2855902450 (qty- 1) , kit service inlet 285590250 diffuser seals,o-ring. (qty- 1) , bearing ball plain bull gear- 2855920450 (qty- 1) , diffuser, vaned, ls, first stage, ta 3000, 8 (part no. 19 2855950650)(qty- 1) , diffuser, vaned, ls, second stage, ta 3000, 8 (part no. 19 2855950750)(qty- 1) , diffuser, vaned, ls, third stage, ta 3000, 8 (part no. 19 2855950850)(qty- 1) , bull gear oil seal, p/n: aap3793949-02001(qty- 2) , air ejector(p/n : aap1403262-00107) (qty- 1) , ejector check valve (p/n : aap1401581-01350) (qty- 1)