![Amazon.com: KOOTANS 1/4 NPT x 1/8 NPT Male Solid Brass Nipples, Heavy Brass Pipe Adapter Fittings Hex Reducing Nipples Connectors 4Pieces : Industrial & Scientific Amazon.com: KOOTANS 1/4 NPT x 1/8 NPT Male Solid Brass Nipples, Heavy Brass Pipe Adapter Fittings Hex Reducing Nipples Connectors 4Pieces : Industrial & Scientific](https://m.media-amazon.com/images/I/7174j45bu-L.jpg)
Amazon.com: KOOTANS 1/4 NPT x 1/8 NPT Male Solid Brass Nipples, Heavy Brass Pipe Adapter Fittings Hex Reducing Nipples Connectors 4Pieces : Industrial & Scientific
![U.S. Solid 2pcs Brass Reducer Hex Bushing Brass Threaded Pipe Fitting 3/8" NPT Male x 1/8" NPT Female Adapter - U.S. Solid U.S. Solid 2pcs Brass Reducer Hex Bushing Brass Threaded Pipe Fitting 3/8" NPT Male x 1/8" NPT Female Adapter - U.S. Solid](https://cdn11.bigcommerce.com/s-ige284rpwh/images/stencil/1280x1280/products/1164/8274/15__14904.1652777089.jpg?c=2)
U.S. Solid 2pcs Brass Reducer Hex Bushing Brass Threaded Pipe Fitting 3/8" NPT Male x 1/8" NPT Female Adapter - U.S. Solid
![Brass Pipe Fitting Reducer Adapter 1/4" NPT Male x 1/8" NPT Female for Water Oil Pressure Gauge, Pack of 1 - Walmart.com Brass Pipe Fitting Reducer Adapter 1/4" NPT Male x 1/8" NPT Female for Water Oil Pressure Gauge, Pack of 1 - Walmart.com](https://i5.walmartimages.com/seo/Brass-Pipe-Fitting-Reducer-Adapter-1-4-NPT-Male-x-1-8-NPT-Female-for-Water-Oil-Pressure-Gauge-Pack-of-1_9fb63833-8ffc-4110-8a67-a1e880bdabb1.61dd19457729e6eb3d9d0e6a42ff0ef8.jpeg)
Brass Pipe Fitting Reducer Adapter 1/4" NPT Male x 1/8" NPT Female for Water Oil Pressure Gauge, Pack of 1 - Walmart.com
![Amazon.com: Fitting Adapter NPT 1/8" Female Pipe to Metric M12 M12X1.25 Male : Industrial & Scientific Amazon.com: Fitting Adapter NPT 1/8" Female Pipe to Metric M12 M12X1.25 Male : Industrial & Scientific](https://m.media-amazon.com/images/I/71OXM+LaG3L.jpg)
Amazon.com: Fitting Adapter NPT 1/8" Female Pipe to Metric M12 M12X1.25 Male : Industrial & Scientific
![Value Collection - Grease Fitting Adapter: 1/4-28 Male NPT, 1/8″ Female NPT - 61833844 - MSC Industrial Supply Value Collection - Grease Fitting Adapter: 1/4-28 Male NPT, 1/8″ Female NPT - 61833844 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/6183384-24.jpg)
Value Collection - Grease Fitting Adapter: 1/4-28 Male NPT, 1/8″ Female NPT - 61833844 - MSC Industrial Supply
![LTWFITTING 1/8 in. O.D. Comp x 1/8 in. MIP Brass Compression Adapter Fitting (5-Pack) HF682205 - The Home Depot LTWFITTING 1/8 in. O.D. Comp x 1/8 in. MIP Brass Compression Adapter Fitting (5-Pack) HF682205 - The Home Depot](https://images.thdstatic.com/productImages/de562f37-cc29-4399-ba5d-41a40b39e2e0/svn/brass-ltwfitting-brass-fittings-hf682205-64_600.jpg)