C6b. Inquiry of Availability.docx

This is an Inquiry of Availability document that details specific antenna components required for the Naval Research Laboratory's Protolabs Antenna Parts procurement (Solicitation Number N00173-26-Q-130139). The document specifies four line items totaling quantities of antenna and related components: three units of axial antenna v4 analysis (Product Number 1947-4943-004), twelve units of feed part 2 (Product Number 1641-1988-005), three units of turnstile v2 (Product Number 1713-0604-006), and three units of back plate v6 (Product Number 1533-5200-007).

Each component includes specific technical requirements and insert specifications. The axial antenna requires eight 1/4-20 inserts (McMaster Carr Part #92395A116) with copper and nickel plating specifications. The feed part requires twelve #8-32 inserts (McMaster Carr Part #92395A613), while the turnstile requires thirty-two #8-32 inserts of the same specification. Corresponding PDF specification files and CAD models (SLDPRT files) are referenced for each component. This is a full and open competitive procurement on a firm-firm fixed-price basis under the Department of the Navy's Office of Naval Research, classified under NAICS code 333511 and FSC/PSC code 6640 for commercial antenna equipment. Brand name or equal products are acceptable, and all equipment must be new with manufacturer warranty coverage provided by an original equipment manufacturer or authorized dealer.