National Stock Number (NSN) Catalog - Page 3

ASAP Aerospace is the leading distributor of new, obsolete, and hard-to-find aviation and aerospace parts. Our goal is to make finding NSN parts like 4820-01-503-1562, 3020-01-594-3180, 5315-01-620-0638, 5305-01-435-0250, 7644-01-504-7677 as simple as possible. As such, we classify our inventory of over 2 billion parts by part number, part type, manufacturer, FSG, and NSN. NSN, or National Stock Number, is the 13-digit serial number that the US Defense Logistics Agency (DLA) assigns to each item that is procured, stocked, and issued through the federal supply chain.