This opportunity is for a fixed-price Indefinite Quantity Contract (IQC) to supply a specific filter item (NSN 4330-01-409-0092) to various military depot locations. Engineering source approval is required, as the government lacks sufficient technical data for full competition due to proprietary rights held by three approved sources. The contract includes a one-year base period and four single-year option periods, with shipments made on an as-needed basis within established quantity limits. The solicitation is set aside for small businesses under NAICS 333998 and is subject to the Buy American Act. The solicitation will be available on June 3, 2026, with evaluation factors including price, past performance, and delivery.