supply of led type indicator, colour white, dia. 22.5 mm, 110 v dc to siemens catalogue no. 3sb52 85 - 6hg04 or l&t catalogue no. e1lw110d or eaton catalogue no. a22 - lcled or c&s catalogue no. rcb7 - 1vl71 or teknic part no. 3plbr1l ( s ) or schneider part no. xb7evfd1lc or ge part no. p9xubddo suitable for use in switch board cabinet of lhb ac coaches conforming to rdso specification rdso / pe / spec / ac / 0184-2015 ( rev. 0 ) . material shall procure from above said oem or his authorized dealer or firm with authorization of oem. hsn code is 85312000 [ warranty period: 30 months after the date of delivery ]