K-4 (missile)

K-4 is a nuclear capable intermediate-range submarine-launched ballistic missile developed by the Defence Research and Development Organisation of India to arm the Arihant-class submarines. The missile has a maximum range of about 4000 km.

K-4
K-4 SLBM launch
TypeIntermediate-range SLBM
Place of originIndia
Service history
In service2020s
Used by Indian Navy
Production history
DesignerDefence Research and Development Organisation
ManufacturerBharat Dynamics Limited
Specifications
Mass17 t (19 short tons)
Length12 m (39 ft)
Diameter1.3 m (4.3 ft)
WarheadStrategic nuclear weapon
Warhead weight2,500 kg (5,500 lb)

EngineTwo stage solid rocket motor
PropellantSolid rocket propellant
Operational
range
4,000 km (2,500 mi)
Guidance
system
Mid-course: Inertial navigation system with GPS/NavIC satellite guidance,
Terminal: Terrain contour matching
Launch
platform
Arihant class submarines
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