Megadyne B166 V-Belt, B Section AT20 3/B174 is a banded v-belt

3/B174 is a banded v-belt used on industrial drives - fans and blowers

The Gates 650-5MGT-15 PowerGrip GT3 Belts - 5M is a synchronous timing belt with 5MGT-pitch profile

3/C103 is a banded v-belt used on industrial drives - fans and blowers

so the Megadyne 4L990 interchanges with Gates

688 lb UPC 190859882305 Applications

Megadyne B166 V-Belt, B Section AT20 3/B174 is a banded v-beltMegadyne B166 V Belt, B Section The Megadyne B166 is a classical wrapped V belt in the B cross section with a 168. 7" outside circumference. Classical V belts handle general purpose industrial power transmission across pumps, fans, compressors, and machinery. It is a direct replacement for Jason Industrial B166. Specification Value Part Number B166 Cross Section B Construction Wrapped Top Width 21 32" Thickness 0. 43" Outside Circumference 168. 7"