Questions about Gears, Pulleys, Sprockets, and Transmission Chain
What does federal supply class 3020 cover?
Federal supply class 3020 covers gears, pulleys, sprockets, and transmission chain, the parts that carry motion between shafts. Items filed here include roller chain and roller chain links.
How is a part in federal supply class 3020 identified?
Chain and sprocket parts are identified by their NSN and item name, with the part numbers on file cross-referenced to each record. Each item in the class has its own National Stock Number (NSN) record, listed above.