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Schematic
William Hackett HA50ML OS+ Master Link, WLL 112,430 lb (51 tonnes)
SKU HA50ML
$493.86
Use it with
Green Pin 2-1/2" Bolt Type Shackle – 121,250 lb (55 tonnes) WLL – GPGHMB65$1,307.64
Green Pin ROV Eye Shank Hook, Grade 8 – 121,250 lb (55 tonnes) WLL – GPSH0055ROV$12,573.08
Green Pin 2-1/2" Spring Release ROV Shackle – 121,250 lb (55 tonnes) WLL – POGHMB65ROVSRL$10,866.86
Green Pin ROV Eye Shank Hook, Grade 8 – 176,360 lb (80 tonnes) WLL – GPSH0080ROV$15,027.76
Details
The HA Master Link OS+ is a fundamental component used in a wide range of lifting and rigging applications, acting as the connection point between sling legs below and the lifting machine above. Manufactured from Grade 8 triple alloy steel, the OS+ range is specially engineered for use in harsh offshore environments. Having received DNV type approval, it is recognised and specified globally by operators, contractors, and rigging shops for offshore rigging and DNV 2.7-1 container lifting sets.
- Grade 8 triple alloy steel — engineered for offshore environments
- DNV type approved — certified for offshore rigging & DNV 2.7-1 container sets
- Compatible with wire rope, chain, and synthetic sling assemblies
- Proof load tested — 2.5× WLL (under 75mm) / 2.0× WLL (90mm and above)
- 5:1 safety factor
- Operating range -40°C to +200°C
Working Load Limits by Size
| Part Number | Part Code | WLL (lb) | MBL (lb) | Mass (lb) |
|---|---|---|---|---|
| HA16ML 8 OS+ | 330.160+ | 9,038 | 45,186 | 1.50 |
| HA22MLS 8 OS+ | 330.22S+ | 24,250 | 121,396 | 3.24 |
| HA22ML 8 OS+ | 330.220+ | 15,432 | 77,109 | 5.03 |
| HA25ML 8 OS+ | 330.250+ | 20,503 | 102,512 | 6.86 |
| HA28MLS 8 OS+ | 330.28S+ | 42,990 | 214,916 | 6.50 |
| HA28ML 8 OS+ | 330.280+ | 31,967 | 159,838 | 8.33 |
| HA32ML 8 OS+ | 330.320+ | 41,887 | 209,521 | 11.07 |
| HA36ML 8 OS+ | 330.360+ | 57,320 | 286,630 | 14.29 |
| HA40ML 8 OS+ | 330.400+ | 67,240 | 336,313 | 18.65 |
| HA45ML 8 OS+ | 330.450+ | 88,184 | 441,074 | 26.85 |
Never exceed the rated Working Load Limit. Always follow applicable domestic safety regulations. Inspect before every use — remove from service if deformed, cracked, or damaged. For expert guidance contact Liftgear at 1-888-R1GGING.