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.
Knobs, including Calibrated Knobs; Dials, Scale.
Possible NAICS Codes
327999 – All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
333618 – Other Engine Equipment Manufacturing
332119 – Metal Crown, Closure, and Other Metal Stamping (except Automotive)
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332312 – Fabricated Structural Metal Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332510 – Hardware Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing