Home / Repair Parts / Armstrong Parts / Armstrong Part #961131-264, O-Ring BUNA N Armstrong Part #961131-264, O-Ring BUNA N$10.47 Armstrong Part #961131-264, O-Ring BUNA N quantity Add to cart SKU: 961131-264 Category: Armstrong Parts Description Additional information Description Armstrong Part Number 961131-264, o-ring buna 7-1/2″id x .139cs Additional information Weight 3 lbs