31--BEARING,BALL,DUPLEX
This is a solicitation for the manufacture and delivery of Duplex Ball Bearings that must adhere to military specification MIL-DTL-17931F. The item is a source-controlled, qualified product requiring extensive pre-approval, and only Government-approved sources will be considered for award. A key performance requirement is that delivered units must be sent to the Naval Surface Warfare Center in Bethesda, Maryland, for Government verification inspection. The contract includes an option for the Government to order an additional quantity up to 180 days after award.