ZZ-B-225B, FEDERAL SPECIFICATION: BELTS, V: INDUSTRIAL (MULTIPLE DRIVE) (29 JAN 1980) [S/S BY A-A-52160]

ZZ-B-225B, FEDERAL SPECIFICATION: BELTS, V: INDUSTRIAL (MULTIPLE DRIVE) (29 JAN 1980) [S/S BY A-A-52160]., This specification covers endless V-type,multiple drive belts used primarily for power transmission in industrial applications of integral-horsepower class,requiring one or more V-belts.