Nuclear, Biological, Chemical (NBC) Flat Gaskets Inactive Notice ID:W911N226QBB02 Sources Sought is posted. Department/Ind.Agency Subtier Office DEPT OF DEFENSE DEPT OF THE ARMY W6QK LAD CONTR OFF NAICS 339991 - Gasket, Packing, and Sealing Device Manufacturing PSC Data sourced from SAM.gov. View Official Posting »