![Tru-Flate 13-537 Coupler, 3/8 in, FNPT [SKU: ORG6277933]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/8320/8436/6277933__73285.1683054022.jpg?c=1 "Tru-Flate 13-537 Coupler, 3/8 in, FNPT [SKU: ORG6277933]")
![Tru-Flate 13-537 Coupler, 3/8 in, FNPT [SKU: ORG6277933]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/8320/8436/6277933__73285.1683054022.jpg?c=1 "Tru-Flate 13-537 Coupler, 3/8 in, FNPT [SKU: ORG6277933]")
Product Overview
This plug design has been adopted by most coupler manufacturers. For this reason it is considered the industrial standard. It can be identified by the 3/16 in pilot and flat bottom V-shaped ball groove. Conforms to ANSI (NFPA) T3.20.14-1990 dimensions. [QTY/UOM: 1CD / 1CD] [PMS SKU: ] [Category: COMPRESSORS & ACCESSORIES/AIR COMPRESSOR PARTS AND ACCESSORIES;Shop All]
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![Tru-Flate 13-237 Coupler, 3/8 in, FNPT, Brass [SKU: ORG7008923]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8311/8427/7008923__03198.1683054017.jpg?c=1 "Tru-Flate 13-237 Coupler, 3/8 in, FNPT, Brass [SKU: ORG7008923]")
![Tru-Flate 12-537 Plug, 3/8 in, FNPT, Steel [SKU: ORG6276885]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8300/8416/6276885__65683.1683054011.jpg?c=1 "Tru-Flate 12-537 Plug, 3/8 in, FNPT, Steel [SKU: ORG6276885]")
![Tru-Flate 13-515 Coupler, 1/4 in, FNPT, Brass [SKU: ORG7019870]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8318/8434/7019870__63159.1683054021.jpg?c=1 "Tru-Flate 13-515 Coupler, 1/4 in, FNPT, Brass [SKU: ORG7019870]")
![Tru-Flate 13-435 Coupler, 1/4 in, FNPT, Steel [SKU: ORG6277917]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8316/8432/6277917__20951.1683054020.jpg?c=1 "Tru-Flate 13-435 Coupler, 1/4 in, FNPT, Steel [SKU: ORG6277917]")