Could you please confirm whether your quote are per below details? O-Ring ID 4-1/4IN, OD 4-5/8IN, Sec Dia 0.21IN, Buna-N (NBR), Industry Std Dash-347 Compound Code: N-674-70 Size Code: 2-347 Ref: 2-347-N-674-70 MFG: Parker Country of Origin: USA ECCN: EAR99