The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the manufacture of spare parts, specifically the fitting "HOLD BACK, A" (NSN: 1720-01-123-4567). This procurement is a sole source requirement, necessitating government source approval prior to award, as the government lacks sufficient data to contract with other sources. The components are classified as Flight Critical, underscoring their importance in aircraft launch and recovery systems, and require stringent quality assurance measures throughout the manufacturing process. Interested vendors must submit their proposals along with the necessary source approval documentation by the specified deadline, with all proposals remaining valid for a minimum of 120 days. For inquiries, contact Alexis Healy at 215-697-1143 or via email at alexis.healy@navy.mil.