Brass Fixing Fitting Kit | Brass Washer Accessory | Brass Kitchen Faucet - Brass C Type - Aliexpress
Mounting Nut [RP49835] for Delta Faucet Plumbings | eReplacement Parts
American Standard Mounting Nut M906617-0070A - The Home Depot
1/2 in. IPS Faucet Tailpiece Nut (2 per Bag) - Plumbing Parts by Danco
304 Stainless Steel Faucet Lock Nut Anti-Loosening Nut For Faucet Sink Fastener Mounting Fittings Of Single Hole Faucet Fixing Parts(1set) - - Amazon.com
Do it 1/2 In. Plastic Basin Faucet Nut (2-Pack) | Hills Flat Lumber
QIFEI 32 mm Hot and Cold Faucet Fixing Tool Set Lock Nut Prevent Kitchen and Bathroom Faucets from loosening Single Hole Nut Mounted Brass - Walmart.com
PlumbMaster Approved Brass Faucet Shank Nut, 1/2 x 1/2"