![ProSource 21-1/4G Pipe Coupling, 1/4 in, FNPT, Malleable Steel, SCH 40 Schedule, 300 psi Pressure [SKU: ORG6117642]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/25651/24593/6117642__51073.1683064562.jpg?c=1 "ProSource 21-1/4G Pipe Coupling, 1/4 in, FNPT, Malleable Steel, SCH 40 Schedule, 300 psi Pressure [SKU: ORG6117642]")
![ProSource 21-1/4G Pipe Coupling, 1/4 in, FNPT, Malleable Steel, SCH 40 Schedule, 300 psi Pressure [SKU: ORG6117642]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/25651/24593/6117642__51073.1683064562.jpg?c=1 "ProSource 21-1/4G Pipe Coupling, 1/4 in, FNPT, Malleable Steel, SCH 40 Schedule, 300 psi Pressure [SKU: ORG6117642]")
Product Overview
ProSource Pipe Coupling, Nominal Size: 1/4 in, FNPT Connection, Wall Thickness: 0.09 in, 300 psi, Operating Temperature: -4 to 572 deg F, Schedule Rating: SCH 40, Malleable Steel, 1.06 in L [QTY/UOM: 1EA / 1EA] [PMS SKU: ] [Category: PIPE FITTINGS/PIPE COUPLINGS;Shop All]
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![ProSource 21-3/4G Pipe Coupling, 3/4 in, Threaded, Malleable Steel, SCH 40 Schedule, 300 psi Pressure [SKU: ORG6117675]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/25653/24595/6117675__92222.1683064563.jpg?c=1 "ProSource 21-3/4G Pipe Coupling, 3/4 in, Threaded, Malleable Steel, SCH 40 Schedule, 300 psi Pressure [SKU: ORG6117675]")
![ProSource 21-1/2G Pipe Coupling, 1/2 in, Threaded, Malleable Steel, SCH 40 Schedule, 300 psi Pressure [SKU: ORG6117667]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/25652/24594/6117667__69840.1683064563.jpg?c=1 "ProSource 21-1/2G Pipe Coupling, 1/2 in, Threaded, Malleable Steel, SCH 40 Schedule, 300 psi Pressure [SKU: ORG6117667]")
![ProSource 21-1/8G Pipe Coupling, 1/8 in, Threaded, Malleable Steel, SCH 40 Schedule, 300 psi Pressure [SKU: ORG6949127]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/29725/28626/6949127__50961.1683066538.jpg?c=1 "ProSource 21-1/8G Pipe Coupling, 1/8 in, Threaded, Malleable Steel, SCH 40 Schedule, 300 psi Pressure [SKU: ORG6949127]")