Rate Contract For Manufacture And Supply Of Hvn-66 Insulating Liner Conforming To Rds O Drg. No. T-3706 Alt-9 For Use With Psc Sleeper T-2496 Suitable For 60Kg (Uic)/60E1 Rail. This Is A Safe Ty Item. Specification: Irs Specification For Glass Filled Nylon-66/ High Viscous Nylon-66 Insulating Line Rs Sl. No T-44-2025 (Third Revision). [ Warranty Period: 30 Months After The Date Of Delivery ] ]