Home / Repair Parts / Armstrong Parts / Armstrong Part #961131-044, O-Ring BUNA N Armstrong Part #961131-044, O-Ring BUNA N$4.96 Armstrong Part #961131-044, O-Ring BUNA N quantity Add to cart SKU: 961131-044 Category: Armstrong Parts Description Additional information Description Armstrong Part Number 961131-044, o-ring buna 3-3/4″id x .070cs Additional information Weight 3 lbs