The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the manufacture of LIP SEAL, 3RD AND 4, under a total small business set-aside. The procurement requires compliance with specific material and physical standards, including shelf-life requirements, and emphasizes the importance of quality assurance and inspection protocols throughout the manufacturing process. This item is critical for guided missile and space vehicle propulsion systems, and interested vendors must ensure their proposals meet the outlined specifications and delivery timelines, with a delivery requirement of 90 days. For further inquiries, potential bidders can contact Amanda Hayward at 717-605-5834 or via email at AMANDA.R.HAYWARD.CIV@US.NAVY.MIL.