Sandvik / Tamrock
550 074 06 O-ring
DT820-SC
| Part Number | 550 074 06 |
| Description | O-ring |
| Brand | Sandvik (Tamrock) |
| Assembly | LINEAR SENSOR |
| Type | Drill Rig Spare Part |
Quick answer
550 074 06 (also written 55007406, 550-074-06, or 550.074.06) is a Sandvik o-ring spare part used in the LINEAR SENSOR assembly of the Sandvik DT820-SC. Verified compatible with 1 Sandvik machine model including DT820-SC. Available as an aftermarket replacement drill part from BK Drilling — Turkey-based Sandvik and Epiroc spare parts supplier serving mining contractors worldwide. Quote on request via WhatsApp; typical lead time 3-7 days for stock items.
Part code alternate forms: 55007406, 550 074 06, 550-074-06.
Compatible machines
1
OEM cross-reference
550 074 06
About Sandvik 550 074 06 O-ring
This O-ring provides critical sealing in the hydraulic or pneumatic circuits of the Sandvik DT820-SC. Part of the LINEAR SENSOR, it prevents fluid leakage at connection points and maintains system pressure integrity essential for efficient drilling operations.
This is an OEM-compatible aftermarket replacement part for the Sandvik DT820-SC (DT820-SC). Also compatible with Tamrock branded equipment of the same model series. BK Drilling supplies this part with fast worldwide shipping and competitive pricing.
Frequently asked questions
Why do O-rings fail in drilling equipment?
O-rings fail due to chemical degradation from hydraulic fluid, extreme temperature cycling, excessive pressure spikes, improper installation (twisting or pinching), and age-related hardening. Using the correct material compound for each application is critical.
