Female Wing Style Hex-Nut Coupler SKU Body Size Threads Material HF6135-02 1/4 1/8-27 NPTF Brass HF6135-04 3/8 1/4-18 NPTF Brass HF6135-06 3/8 3/8-18 NPTF Brass HF6135-08 3/4 1/2-14 NPTF Brass HF6135-08BSPP 3/4 1/2-14 BSPP Brass HF6135-12 3/4 3/4-14 NPTF Brass HF6135-12BSPP 3/4 3/4-14 BSPP Brass HF6135-16 1 1-11-1/2 NPTF Brass HF6135-16S 1 1-11-1/2 NPTF Steel HF6135-16BSPP 1 1-11 BSPP Brass HF6135-20 1-1/4 1-1/4-11-1/2 NPTF Brass HF6135-20BSPP 1-1/4 1-1/4-11 BSPP Brass HF6135-24 1-1/2 1-1/2-11 1/2 NPTF Brass HF6135-24BSPP 1-1/2 1-1/2-11 BSPP Brass