Questions about Bearings, Plain, Unmounted
What does federal supply class 3120 cover?
Federal supply class 3120 covers unmounted plain bearings, which carry load on a sliding surface rather than on rolling elements. Items filed here include sleeve bearings.
How is a part in federal supply class 3120 identified?
A sleeve bearing is identified by its NSN and item name, with the part numbers on file cross-referenced to the record. Each item in the class has its own National Stock Number (NSN) record, listed above.