The government seeks 568 units of NSN 4730005719648, a tube fitting plug, delivered to DLA Distribution Depot Oklahoma 516 days after date of order. This is a source-controlled drawing item with approved sources 01673 AP390T04, 50599 R44119T04, 66776 ST7M250T4, and 76301 ST7M250T4. The RFQ will be available through the provided link, and hard copies will not be issued. Offered items must meet the cited drawing, and digitized drawings and military specifications/standards may be retrieved or ordered electronically. All responsible sources may submit quotes electronically.