| 61 | Over-The-Side Heaters | |
| 62 | Overhaul of Diesel Engines on Board Vessel | |
| 63 | Overhaul of Engine | |
| 64 | Oily Water Separator | |
| 65 | Omron R88M-K, R88D-KT | |
| 66 | Omron R88M-K, R88D-KN-ML2 | |
| 67 | Omron R88L-EC, R88D-KN-ECT-L | |
| 68 | Omron R88M-K, R88D-KN-ECT | |
| 69 | Omron R88M-1 or R88D-1SN-ECT | |
| 70 | Omron R88M-1A or R88D-1SAN-ECT | |
| 71 | Open Earth Bucket | |
| 72 | オープンタイプケーブルドラッグチェーン | |
| 73 | Orthophthalic Gelcoat GS-5200-4 RAL 9023 Pearl dark grey | |
| 74 | Orthophthalic Gelcoat GS-5200-4 RAL 9022 Pearl light grey | |
| 75 | Orthophthalic Gelcoat GS-5200-4 RAL 9018 Papyrus white | |
| 76 | Orthophthalic Gelcoat GS-5200-4 RAL 9017 Traffic black | |
| 77 | Orthophthalic Gelcoat GS-5200-4 RAL 9016 Traffic white | |
| 78 | Orthophthalic Gelcoat GS-5200-4 RAL 9011 Graphite black | |
| 79 | Orthophthalic Gelcoat GS-5200-4 RAL 9010 Pure white | |
| 80 | Orthophthalic Gelcoat GS-5200-4 RAL 9007 Grey aluminium | |
| 81 | Orthophthalic Gelcoat GS-5200-4 RAL 9006 White aluminium | |
| 82 | Orthophthalic Gelcoat GS-5200-4 RAL 9005 Jet black | |
| 83 | Orthophthalic Gelcoat GS-5200-4 RAL 9004 Signal black | |
| 84 | Orthophthalic Gelcoat GS-5200-4 RAL 9003 Signal white | |
| 85 | Orthophthalic Gelcoat GS-5200-4 RAL 9002 Grey white | |
| 86 | Orthophthalic Gelcoat GS-5200-4 RAL 9001 Cream | |
| 87 | Orthophthalic Gelcoat GS-5200-4 RAL 8029 Pearl copper | |
| 88 | Orthophthalic Gelcoat GS-5200-4 RAL 8028 Terra brown | |
| 89 | Orthophthalic Gelcoat GS-5200-4 RAL 8025 Pale brown | |
| 90 | Orthophthalic Gelcoat GS-5200-4 RAL 8024 Beige brown | |