58--CONVERTER,SIGNAL DA, IN REPAIR/MODIFICATION OF

The U.S. Navy’s NAVSUP Weapon Systems Support in Philadelphia is issuing a sole‑source solicitation to ONTIC Engineering & Manufacturing, Inc. for the repair/modification of four Signal DA converters (NSN 7R‑5895‑013889963‑LC) used on C‑130 aircraft. The OEM is the only source capable of providing the required repair services and data; no drawings are available. The contract will be for a one‑year period, with delivery FOB origin. Proposals or quotations may be submitted electronically by the approximate closing date of 5 Oct 2026, and award is expected in January 2027. • Item: Signal DA converter, part 3614661‑0105, NSN 7R‑5895‑013889963‑LC • Quantity: 4 units • Delivery: FOB origin, contract duration 1 year • Sole‑source to ONTIC Engineering & Mfg Inc (DUNS 45934) • Submission window: 04 Sep 2026 – 05 Oct 2026 (electronic) • Contact: Grace Y. McGinley (email [email protected], phone (215) 697‑2198)