Escape from Tarkov · Key
RB-KSM key
Type
Key
Size
1×1 (1 slot)
Weight
0.01 kg
Uses
40
Flea Market
From level 25
Base value
25,210 ₽
The RB-KSM key (RB-KSM) is a key in Escape from Tarkov. It opens 1 lock on Reserve and has 40 uses before it breaks. It is needed for 1 quest: Disease History. At the last price snapshot it sold best on the Flea Market for about 155,450 ₽.
Keep it
Keep one until you finish Disease History.
Price
Snapshot · 2026-11-04Flea 24h avg
155,450 ₽
Flea 24h low
75,555 ₽
Best trader
12,857 ₽
Per slot
155,450 ₽
PvP flea prices before fees, from tarkov.dev. Refreshed hourly.
What the RB-KSM key opens
| Map | Lock | Count | Note |
|---|---|---|---|
| Reserve | door | 1 |
Quests that need it
| Quest | Trader | Level | Requirement |
|---|---|---|---|
| Disease HistoryReserve | Therapist | 1 | Key needed to complete |
FAQ
What does the RB-KSM key open in Tarkov?
It opens 1 door on Reserve. The key has 40 uses.
Is the RB-KSM key needed for quests?
Yes: Disease History (Therapist).
Is the RB-KSM key needed for the hideout?
No hideout upgrade needs it.
How much is the RB-KSM key worth?
At the last snapshot (2026-11-04) the best sale was 155,450 ₽ on the Flea Market (24h average, before fees). The price box on this page shows the current figure, refreshed hourly.
More keys for Reserve
Data from the free tarkov.dev API (regular (PvP)), joined by XGamingServer: quests, hideout, map locks, crafts and barters as of 2026-11-04. Prices refresh hourly. More on the community wiki. Not affiliated with Battlestate Games.
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