supply of set of plunger for eversure , set of plunger for eversure make air flow relay consist of following items.(1) diaphrag m pressure adjustment assly. with switch operating knob and spring complete for use in qvmt relay eversure make as per item ref. no. 16,17,18,19 & 21 of drg. no.eee/afr/05 rev-1 (colour white ) qty /set - 02 nos. (2) diaphragm pressure adjustment assly. with switch operating knob and spring compl ete for use in qvsi relay eversure make as per item ref. no. 16,17,18,19 & 21 of drg. no.eee/afr/06 rev-1 (colour green ) qty/set - 02 nos. (3) diaphragm pressure adjustment assly. with switch operati ng knob and spring complete for use in qvsl/qvrh relay eversure make as per item ref. no. 16,17,1 8,19 & 21 of drg. no.eee/afr/05 rev-1 (colour black ) qty/set - 03 nos. make/brand: eversure( 01 s et of proposed item to be got approved before effecting bulksupply). [ warranty period: 30 months after the date of delivery ] ]