Used on end item nsn: 2320-01-529-2251; buffalo heavy mine protected clearance vehicle. 0.924" center hole diameter o-ring, hydraulic outside diameter is 1.156"
Used on module,support type an/aqs-20a,environmental control unit (ecu). 26.000" overall length 16.000" overall width ecu gasket the top of this gasket is 1 inch wide non-circular