31--BEARING,BALL,ANNULA
This is a solicitation for the manufacture and delivery of 220 Annular Ball Bearings (NSN 3HD 3110 009910943) that must adhere to military specification MIL-B-17931E for quiet operation. The items are designated as a commercial product, and delivery is required within 157 to 180 days. The contract includes a one-year warranty from the date of delivery and an option for the government to increase the quantity within 365 days of award. Performance requires production lot testing, and the item is on a Qualified Products List (QPL), meaning only pre-approved sources are eligible for award.