A Sources Sought Notice is being issued for PARTS KIT, BALL JOINT under NSN 2530-01-554-8288. This is for a potential Long-Term Contract (LTC) solicitation with a 3 year base period and 2 option years... A Sources Sought Notice is being issued for PARTS KIT, BALL JOINT under NSN 2530-01-554-8288. This is for a potential Long-Term Contract (LTC) solicitation with a 3 year base period and 2 option years for a total of 5 years. Please review the attached Market Survey Questionnaire and Spreadsheet. Please return completed documents to Anna Douglass at anna.douglass@dla.mil if you are interested.