Revision Rev. Approved A 4-8.0 4-R3.0 4-R4.0 ∅78.0 ± 0.3 0 ∅67.0 ± 0.1 0 4-3.0 ∅56.0 ± 0.1 0 2-2.4 71.5 ± .03 80.0 ± 0.3 0 R1.2 ∅45.0 ± 0.1 0 ∅34.0 0 3. 4- Date Description ∅30.0 ± 0.1 0 ∅86.0 ± 0.1 0 4- 1. 6 R0.8 71.5 ± .03 80.0 ± 0.3 0 A A-A 7.0 6.5 2.3 3.5 Dim range (mm) Tolerance +/(mm) 0-1 0.15 1-6 0.20 6-18 0.30 18-50 0.50 50-120 0.70 120-250 0.90 250-500 1.20 Qualtek Electronics Corp. Part Number: FAN-S DIVISION 09081-G Description: PLASTIC FAN GUARD PBT UL 94 VO Drawn / Date Checked / Date Approved / Date B. Grubb 11-29-06 11-29-06 JJH / 11-29-06