Procurement of Overhauling kit for D1 type Drain Valve to Trident Model No: AS661 to DLW Part No: 17390059. Set Consisting of 11 items. ( 1 ) Spring Compression ADV to Trident Part No: AD1051- 01 No. ( 2 ) Piston poppet ADV to Trident Part No: AD707- 02 Nos. ( 3 ) Handle poppet ADV to Trident Part No: AD722- 01 Nos. ( 4 ) Closing poppet ADV to Trident Part No: AD723- 01 No. ( 5 ) O Ring ( 10X1. 2 ) to Trident Part No: CC287- 01 No. ( 6 ) O Ring ( 28. 17X3. 53 ) to Trident Part No: CO002- 01 No. ( 7 ) O Ring ( 59. 99X2. 62 ) to Trident Part No: CO056- 01 No. ( 8 ) O Ring ( 6. 07X1. 78 ) to Trident Part No: CO057- 01 No. ( 9 ) O Ring ( 31. 42X2. 62 ) to Trident Part No: CO058- 02 Nos. ( 10 ) O Ring ( 25. 12X1. 78 ) to Trident Part No: CO059- 02 Nos. ( 11 ) Seal Ring- 3RO to Trident Part No: CO060- 01 No.