AOH/ IOH/ POH/ BPS Gasket overhauling kit for Secheron contactor type BPS 15. 15 C/ 2 & BPS 30. 06S as per Part No.- SG201176 R 00020. Each set consists of 04 items in 05 nos.- ( 1 ) Gask K- Ring KA- 80. 3 viton as per Pt. No.- HSBA 433239P00020 = 01 No. ( 2 ) GASK O- 73. 03x3. 53 viton as per Pt. No.- SC201593 = 1 No. ( 3 ) Cover 47 x 11- Rubber valve EP as per Pt. No.- PU196491P0001 = 1 No. ( 4 ) Gask O- 8. 73X1. 78 viton as per Pt. No.- SC201592 = 2 Nos. or Similar for 3 phase locomotives as per CLW Spec. CLW/ ES/ 3/ 0086 Alt- B.