This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Assemblies Interchangeable Between Weapons in Two or More Classes
Components and Accessories used on or with weapons falling in two or more classes of [G]group 10.
Possible NAICS Codes
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
337215 – Showcase, Partition, Shelving, and Locker Manufacturing
332992 – Small Arms Ammunition Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
315990 – Apparel Accessories and Other Apparel Manufacturing
611430 – Professional and Management Development Training
316998 – All Other Leather Good and Allied Product Manufacturing
423990 – Other Miscellaneous Durable Goods Merchant Wholesalers
333314 – Optical Instrument and Lens Manufacturing