supply of full gear coupling , full gear coupling, type-afg- 104, as per sketch no. 01/mts/09 dated- 17/06/2025, for maint enance of eot crane no. 10792/sf/blc, material:- en-9/c55 is 7226:1974 (reaffirmed 2022). note:- materia l chemical composition test certificate from the nabl/central govt. approved agencies, should be submitted in original at the time of delivery of material. [ warranty period: 30 months after the date of delivery ] ] , flexible coupling, type-afg- 102, as per sketch no. 106/06/mts dated- 09/09/2025, for maint enance of eot crane, material: - en-9/c55 is 7226:1974 (reaffirmed 2022).note:- material chemical compos ition test certificate from the nabl/central govt. approved agencies, should be submitted in original at the t ime of delivery of material. [ warranty period: 30 months after the date of delivery ] ] , flexible coupling, type-afg- 103, as per sketch no. 105/06/mts dated- 08/09/2025, for maint enance of eot crane, material: - en-9/c55 is 7226:1974 (reaffirmed 2022). note:- material chemical compo sition test certificate from the nabl/central govt. approved agencies, should be submitted in original at the time of delivery of material. [ warranty period: 30 months after the date of delivery ] ]