UR-100N
| UR-100N SS-19 Stiletto | |
|---|---|
| Type | ICBM | 
| Service history | |
| In service | 1975–present | 
| Used by | Russian Strategic Missile Troops | 
| Production history | |
| Designer | NPO Mashinostroyeniya | 
| Manufacturer | Khrunichev Machine-Building Plant | 
| Specifications | |
| Mass | 126.3 t (278,000 lb) | 
| Length | 27.5 m (90 ft 3 in) | 
| Diameter | 2.48 m (8 ft 2 in) | 
| Warhead | 1 x 1 Mt or 6 x 400 kt | 
| Engine | two-stage liquid fuel 
 | 
| Operational range | 10,600 kilometres (6,600 mi) | 
| Maximum speed | 7.64 km/s (4.75 mi/s) | 
| Guidance system | inertial | 
| Accuracy | CEP 300 m | 
The UR-100N, also known as RS-18A, is an intercontinental ballistic missile in service with Soviet and Russian Strategic Missile Troops. The missile was given the NATO reporting name SS-19 Stiletto and carries the industry designation 15A30.