supply of suspension spring ( secondary ) for wap4 locos as per rdso drawing no. skdl 3473 alt-8 or latest and confirming to rdso specification no. mp.0.4900.12 ( rev-05 ) of dec 20 or latest. note: 1. any spring with flat end of the coil found touching with the first coil will be rejected. 2. to supply spring in higher range of compressed height i.e., in group b only as per drg. no. skdl 3473 alt -8 or latest. note : firms may give a separate additional quote incase latest specification / design amendment is issued by rdso / clw / blw. ( 2 ) po will be released to define description .suspension spring ( secondary ) for wap4 locos as per rdso drawing no. skdl 3473 alt-8 or latest and confirming to rdso specification no. mp.0.4900.12 ( rev-05 ) of dec 20 or latest. note: 1. any spring with flat end of the coil found touching with the first coil will be rejected. 2. to supply spring in higher range of compressed height i.e., in group b only as per drg. no. skdl 3473 alt -8 or latest. note : firms may give a separate additional quote incase latest specification / design amendment is issued by rdso / clw / blw. ( 2 ) po will be released to define description ., suspension spring ( secondary ) for wap4 locos as per rdso drawing no. skdl 3473 alt-8 or latest and confirming to rdso specification no. mp.0.4900.12 ( rev-05 ) of dec 20 or latest. note: 1. any spring with flat end of the coil found touching with the first coil will be rejected. 2. to supply spring in higher range of compressed height i.e., in group b only as per drg. no. skdl 3473 alt-8 or latest. note : firms may give a separate additional quote incase latest specification / design amendment is issued by rdso / clw / blw. ( 2 ) po will be released to define description .