Product Information Description: SAE 37 Female Thread: SAE 37° JIC Select a Product Part NumberMaterialFemale Thread SizeTube OD SFMF2000-45304 Stainless Steel2-1/2"- 122" FMF375-45Carbon Steel9/16"- 183/8" FMF2000-45Carbon Steel2-1/2"- 122" FMF1500-45Carbon Steel1-7/8"- 121-1/2" SFMF1500-45304 Stainless Steel1-7/8"- 121-1/2" FMF500-45Carbon Steel3/4"- 161/2" FMF1000-45Carbon Steel1-5/16"- 121" FMF250-45Carbon Steel7/16"- 201/4" FMF1250-45Carbon Steel1-5/8"- 121-1/4" FMF750-45Carbon Steel1-1/16"- 123/4" SFMF375-45304 Stainless Steel9/16"- 183/8" SFMF750-45304 Stainless Steel1-1/16"- 123/4" SFMF1000-45304 Stainless Steel1-5/16"- 121" SFMF500-45304 Stainless Steel3/4"- 161/2" SFMF250-45304 Stainless Steel7/16"- 201/4"