# NSN Parts

> NSN-PARTS.COM supplies aviation hardware, military NSN parts, connectors, and electronic components in stock. Get fast quotes and dependable sourcing support.

NSN-PARTS.COM is a supplier of National Stock Number (NSN) parts: aviation hardware, military-spec components, connectors, and electronic components. The catalog holds 8,000,000+ parts organized by Federal Supply Classification (FSC) code. NSNs, part numbers, and CAGE codes are searchable directly.

## Finding parts
- [Search](https://www.nsn-parts.com/en-us/search?q=): query by NSN (e.g. 5310-00-123-4567), manufacturer part number, CAGE code, or keyword
- [Federal Supply Class (FSC) Directory](https://www.nsn-parts.com/en-us/collections/fsc-directory): browse the full catalog by FSC code range
- [Top Searched Components](https://www.nsn-parts.com/en-us/collections/frontpage)

## Company
- [About Us](https://www.nsn-parts.com/en-us/pages/about-us)
- [Industries Served](https://www.nsn-parts.com/en-us/pages/industries)
- [Value-Added Services](https://www.nsn-parts.com/en-us/pages/value-added-services)
- [Excess Inventory Solutions](https://www.nsn-parts.com/en-us/pages/excess-inventory-solutions)
- [Contact / Request a Quote](https://www.nsn-parts.com/en-us/pages/contact)

## Guides
- [How to Read an NSN (National Stock Number)](https://www.nsn-parts.com/en-us/blogs/news/how-to-read-an-nsn-national-stock-number-explained)
- [Federal Supply Classification (FSC) Explained](https://www.nsn-parts.com/en-us/blogs/news/federal-supply-classification-fsc-explained)
- [CAGE Codes Explained](https://www.nsn-parts.com/en-us/blogs/news/cage-codes-explained-what-they-are-how-to-find)
- [How to Buy NSN Parts Through DLA](https://www.nsn-parts.com/en-us/blogs/news/how-to-buy-nsn-parts-through-dla-defense-procurement-guide)
- [All articles](https://www.nsn-parts.com/en-us/blogs/news)

## Catalog guides for LLMs
- [FSC Directory guide](https://www.nsn-parts.com/en-us/fscs-llms.txt): every Federal Supply Class collection, grouped by Federal Supply Group
- [CAGE Code directory](https://www.nsn-parts.com/en-us/cage-codes-llms.txt): the 1,000 largest CAGE codes with company names and example in-stock parts
- [Top catalog items, part 1](https://www.nsn-parts.com/en-us/top-products-1-llms.txt): the most data-complete NSN listings (1 of 2)
- [Top catalog items, part 2](https://www.nsn-parts.com/en-us/top-products-2-llms.txt): the most data-complete NSN listings (2 of 2)
- [Knowledge base guide](https://www.nsn-parts.com/en-us/blogs-llms.txt): all educational articles with summaries

## For AI agents
- [Agent instructions](https://www.nsn-parts.com/agents.md): UCP/MCP endpoints for catalog, cart, and checkout (payment requires human approval)
- [Sitemap index](https://www.nsn-parts.com/en-us/sitemap-index.xml): 8M+ product URLs across 3,200+ child sitemaps

## Ordering
- [Contact / Request a Quote](https://www.nsn-parts.com/en-us/pages/contact): fast quotes and sourcing support; ships to 29 countries (US, CA, GB, DE, FR, JP, AU, and more)