PLUMB-EEZE 3/8 In. MIP x 3 In. Stainless Steel Nipple - Power Townsend Company
Buy Valley Industries 3/8" x 4" 304 Stainless Steel Nipple | SpraySmarter.com
Southland 3/8 in. x 3 in. Galvanized Steel MPT Nipple 562-030HN - The Home Depot
Reducing Nipple 1/2" x 3/8" Male NPT 304 Stainless Steel Pipe Fitting .5": Industrial Pipe Fittings: Amazon.com: Industrial & Scientific
R 3/8'' Male x 17.2mm Stainless steel Pipe Nipple with Welding End 20 Bar DIN 2982 - 100mm | Tameson.com
Pipe Nipples - Stainless Steel (304) - 3/8" x 2"
Amazon.com: Hooshing 3/8" Male to 3/8" Male NPT Hex Nipple Stainless Steel 304 Threaded Pipe Fittings for Brew Kit Home Piping, Pack of 4 : Industrial & Scientific