The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanical, is soliciting proposals for the manufacture of an O-Ring, Outer, identified by part number 1161249. The procurement requires that the O-Ring meets specific material and physical standards, with a shelf life of 180 months, and must adhere to various military marking and configuration control standards. This item is critical for military applications, ensuring reliability and compliance with defense specifications. Interested vendors should direct inquiries to Karen M. Barlet at KAREN.M.BARLET.CIV@US.NAVY.MIL, with proposals expected to comply with the outlined requirements and deadlines for submission.