The Navy intends to competitively procure 42 units of insulation sleeving (NSN 1RM 5970 016890499, part number 5111001303S) for the CH-53K platform. This is a limited-source competitive procurement with approved sources Sikorsky Aircraft Corp and Systems Protection Group US LLC; firms not already approved must submit a Source Approval Request, but the procurement will not be delayed for approval. Delivery is FOB origin, and the effort is associated with NAVSUP WSS Philadelphia. The solicitation is expected to be issued on August 26, 2026, and proposals must be received by the closing date stated in the solicitation. No small business set-aside applies, and electronic procedures will be used.