supply of sealing ring for filling pipe cap for btpn wagon to rdso drg. no.- wd-86081-s-61, alt.-13 or latest, item no.-21, cross section of sealing ring & other requirements as per irs drg.no.w/tf-896 k, dia.of sealing ring = 150 mm.sealing ring for filling pipe cap for btpn wagon to rdso drg. no.- wd-86081-s-61, alt.-13 or latest, item no.-21, cross section of sealing ring & other requirements as per irs drg.no.w/tf-896 k, dia.of sealing ring = 150 mm.,sealing ring for filling pipe cap for btpn wagon to rdso drg. no.- wd-8608 1-s-61, alt.-13 or latest, item no.-21, cross section of sealing ring & other requireme nts as per irs drg.no.w/tf-896 k, dia.of sealing ring = 150 mm. [ warranty period: 30 months af ter the date of delivery ] => limited