Megadyne 10/B173 Banded V-Belt, B Section 14MK Section What does the S5M in

What does the S5M in 150-S5M-1295 mean

The Gates 6/3V1000 Super HC PowerBand Belts 93856100 is a banded V-belt featuring Narrow wedge 3V dimensions

so a 3/C88 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

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Megadyne 10/B173 Banded V-Belt, B Section 14MK Section What does the S5M inMegadyne 10 B173 Banded V Belt, B Section The Megadyne 10 B173 is a banded (10 rib) B V belt with a 175. 7" outside circumference. Joining the strands into one band resists belt whip, turnover, and mismatched stretch on high shock, high vibration drives. It is a direct replacement for Jason Industrial 10 B173. Specification Value Part Number 10 B173 Cross Section B Construction Wrapped Top Width 21 32" Thickness 0. 43" Outside Circumference 175. 7"