Product Information Style: Figure 206 Select a Product Part NumberDescriptionMaterialSealAdapter SizeFlange HUM206400FLGOverall length: 5-9/16" (with nut)Iron w/ steel nutBuna-N4"4" 125 Lb. HUM206400FLG-STOverall length: 3-13/32" (with nut)Iron w/ steel nutBuna-N4"4" 125 Lb. HUM206600FLGOverall length: 4-15/16" (with nut)Iron w/ steel nutBuna-N6"6" 125 Lb. HUM206400FLG-1Overall length: 5-5/32" (no nut)IronBuna-N4"4" 125 Lb. HUM2064FLH6ST1Overall length: 2-23/32" (no nut)IronBuna-N4"4" Butterfly HUM206400FLGH61Overall length: 4-7/8" (no nut)IronBuna-N4"4" Butterfly HUM206400FLGST1Overall length: 3" (no nut)IronBuna-N4"4" 125 Lb. RHUM206400FLG-1Overall length: 5-5/32" (no nut)316 SS adapterEPDM4"4" 125 Lb. HUM206800FLG-1Overall length: 4-1/2" (no nut)IronBuna-N8"8" 125 Lb.