E S U - NSN Parts Catalog

NSN parts like 161043-601, 164540-303A, 164540-100, 164540-100EX, 4501120B under E S U are currently available and ready to ship in Parts Needed Yesterday’s inventory. Owned and operated by ASAP Semiconductor, we source from leading NSN part manufacturers like Hamilton Sundstrand Corporation, Cessna Aircraft Company, Textool Company, Bombardier Corp. Our supply chain network stretches across the United States, allowing us to have some of the fastest shipping times in the industry. By submitting an Instant RFQ from for E S U on this web page, you can receive a quote for parts that you need within fifteen minutes.