In Line Ported Bleeder - 1/4" NPT male and female ports. Tapped hole in knob. #46335-TH
Amazon.com: KOOTANS Forged Brass Reducing Hex Nipple, 1/4'' NPT Male x 1/8'' NPT Male Thread Adapter Brass Pipe Fitting Connector Couplings (Pack of 4) : Industrial & Scientific
1-1/4" NPT Male x 1" NPT Male Straight 5404-20-16 Adapter | NPT Male to NPT Male - Hex Nipple | NPT to NPT | Hydraulic Adapters & Fittings | Hydraulics | www.surpluscenter.com
Male SS 1 And 4 OD NPT Connector, For Plumbing Pipe
Amazon.com: JoyTube 1/4" Male to 1/4" Male NPT Hex Nipple 304 Stainless Steel Threaded Pipe Fittings (Pack of 5) : Industrial & Scientific
Kobalt Brass NPT Coupler (M) 1/4-in Universal in the Air Compressor Fittings department at Lowes.com
GE SS 1/4" NPT - 6 mm | M&C TechGroup
Mastercraft Brass Tee Fitting, 1/4-in NPT | Canadian Tire
1/4" NPT Male to 1/4" MFL Male Flare Adapter
Stainless Steel Swagelok Tube Fitting, Male Connector, 10 mm Tube OD x 1/4 in. Male NPT | Male Connectors | Tube Fittings and Adapters | Fittings | All Products | Swagelok