supply of set of critical spares & consumables for use in oxygen/nitrogen/hydrogen determinator.set of critical spares & consumables for use in oxygen/nitrogen/hydrogen determinator.,set of critical spares & consumables for use in oxygen/nitrogen/hydrogen determinato r, model onh 836 of leco corporation, sl. no. 15991 at spectro lab rwf/ynk consisting of the followin g items - read under the following head sl. no, item description, leco part no and (qty ordered with unit o f measure) 1. holder tube pin 511-038 (qty 1 no.) ; 2. tube vacuum pin 4mm x 146 mm 1500 pc 511-0 36-150 (qty 1 box); 3. tube vacuum pin 6 mm x 160 mm 150 pc 511-244 (qty 1 box); total 1 set compris ing of 3 items [ warranty period: 6 months after the date of delivery ] ]