![Amazon.com: KOOTANS 4pcs Forged Brass Reducing Hex Nipple, 3/8" NPT Male x 1 /4" NPT Male Pipe Adapter Brass Pipe Fitting Couplings : Industrial & Scientific Amazon.com: KOOTANS 4pcs Forged Brass Reducing Hex Nipple, 3/8" NPT Male x 1 /4" NPT Male Pipe Adapter Brass Pipe Fitting Couplings : Industrial & Scientific](https://m.media-amazon.com/images/I/71N66m+fXJL.jpg)
Amazon.com: KOOTANS 4pcs Forged Brass Reducing Hex Nipple, 3/8" NPT Male x 1 /4" NPT Male Pipe Adapter Brass Pipe Fitting Couplings : Industrial & Scientific
![3/8" NPT Female to 1/4" NPT Male Brass Pipe Adaptor/Adapter Straight Reducer/Reducing Coupling Male to Female: Pipe Fittings: Amazon.com: Industrial & Scientific 3/8" NPT Female to 1/4" NPT Male Brass Pipe Adaptor/Adapter Straight Reducer/Reducing Coupling Male to Female: Pipe Fittings: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51ckGjDcG9L.jpg)
3/8" NPT Female to 1/4" NPT Male Brass Pipe Adaptor/Adapter Straight Reducer/Reducing Coupling Male to Female: Pipe Fittings: Amazon.com: Industrial & Scientific
![Midanya 1/4-Inch Female Pipe x 3/8-Inch Male Brass Pipe Fitting Reducer Adapter Air Hose Adapter Metal Pipe Adapter, 2 Pieces (1 Pair) - Amazon.com Midanya 1/4-Inch Female Pipe x 3/8-Inch Male Brass Pipe Fitting Reducer Adapter Air Hose Adapter Metal Pipe Adapter, 2 Pieces (1 Pair) - Amazon.com](https://m.media-amazon.com/images/I/71I2Bm4ZrRL.jpg)
Midanya 1/4-Inch Female Pipe x 3/8-Inch Male Brass Pipe Fitting Reducer Adapter Air Hose Adapter Metal Pipe Adapter, 2 Pieces (1 Pair) - Amazon.com
![1/4" NPT Male x 3/8" NPT Female Swivel Straight 1404-04-06 Adapter | NPT Female Swivel to NPT Male - Straight | NPT to NPT | Hydraulic Adapters & Fittings | Hydraulics | www.surpluscenter.com 1/4" NPT Male x 3/8" NPT Female Swivel Straight 1404-04-06 Adapter | NPT Female Swivel to NPT Male - Straight | NPT to NPT | Hydraulic Adapters & Fittings | Hydraulics | www.surpluscenter.com](https://www.surpluscenter.com/productImages/image.axd/i.9-1404-4-6/w.1000/h.1000/1+4++NPT+Male+x+3+8++NPT+Female+Swivel+Straight+1404-04-06+Adapter_L.jpg)
1/4" NPT Male x 3/8" NPT Female Swivel Straight 1404-04-06 Adapter | NPT Female Swivel to NPT Male - Straight | NPT to NPT | Hydraulic Adapters & Fittings | Hydraulics | www.surpluscenter.com
![Amazon.com: Niewalda 1/4 Inch Male to 3/8 Inch Female Tripod Screw Adapter 3 /8 to 1/4 Tripod Adapter Mount Screws, Accessories for Camera/Tripod/Monopod/Light Stand : Electronics Amazon.com: Niewalda 1/4 Inch Male to 3/8 Inch Female Tripod Screw Adapter 3 /8 to 1/4 Tripod Adapter Mount Screws, Accessories for Camera/Tripod/Monopod/Light Stand : Electronics](https://m.media-amazon.com/images/I/81OXOCY-j7L.jpg)
Amazon.com: Niewalda 1/4 Inch Male to 3/8 Inch Female Tripod Screw Adapter 3 /8 to 1/4 Tripod Adapter Mount Screws, Accessories for Camera/Tripod/Monopod/Light Stand : Electronics
![Parker - Stainless Steel Flared Tube Male Adapter: 3/8″ Tube OD, 1/4-18 Thread, 37 ° Flared Angle - 66457516 - MSC Industrial Supply Parker - Stainless Steel Flared Tube Male Adapter: 3/8″ Tube OD, 1/4-18 Thread, 37 ° Flared Angle - 66457516 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/6645751-24.jpg)
Parker - Stainless Steel Flared Tube Male Adapter: 3/8″ Tube OD, 1/4-18 Thread, 37 ° Flared Angle - 66457516 - MSC Industrial Supply
![Proline Series 1/4-in x 3/8-in Compression Adapter Fitting in the Brass Fittings department at Lowes.com Proline Series 1/4-in x 3/8-in Compression Adapter Fitting in the Brass Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/63f02d11-aaf2-48d0-9758-230db89701b0/63181266.jpg)
Proline Series 1/4-in x 3/8-in Compression Adapter Fitting in the Brass Fittings department at Lowes.com
![U.S. Solid Brass Hose Fitting, Adapter, 1/4" Barb x 1/8" NPT Male Pipe Fitting, 1/4"x 1/4", 3/8" x 1/4", 3/8"x 3/8",1/2"x 1/2", 3/4"x 3/4" - U.S. Solid U.S. Solid Brass Hose Fitting, Adapter, 1/4" Barb x 1/8" NPT Male Pipe Fitting, 1/4"x 1/4", 3/8" x 1/4", 3/8"x 3/8",1/2"x 1/2", 3/4"x 3/4" - U.S. Solid](https://cdn11.bigcommerce.com/s-ige284rpwh/images/stencil/1280x1280/products/1180/7538/JFFIT00001_2__15399.1650350575.jpg?c=2)