Presolicitation notice from the Department of Defense, Department of the Navy, and NAVSUP Weapon Systems Support for the procurement of a spacer ring. The spacer ring, part number 053524B-00, is intended for use in H-60 aircraft. The government intends to solicit and negotiate with Elbitamerica Inc. for a quantity of 10 spacer rings. The contract duration will be 1 year and UID requirements will apply. Interested parties may submit their capabilities and qualifications within 15 days of this notice. The design of this part is unstable and major changes are contemplated. Limited acquisition/repair from the present source is anticipated pending configuration changes. Interested parties may obtain additional information from Meghan Schmitz at meghan.e.schmitz.civ@us.navy.mil.