AMC® 704018-06 Short Forged Nut, 3/8 in Female SAE Flared, Brass
AMC® Short Forged Nut, Connection Size: 3/8 in, Connection Type: Female SAE Flared, Lead-Free Brass, For Use With: Copper, Brass, Aluminum, Steel Tubing, -40 to 250 deg F, Additional Information: 5/8-18 Thread Size, 0.056 lb Weight