Kongsberg Defence & Aerospace NASAMS vs Almaz-Antey 9K33 Osa
Kongsberg Defence & Aerospace NASAMS and Almaz-Antey 9K33 Osa are both air defense system, compared here on public specifications. The Kongsberg Defence & Aerospace NASAMS leads on engagement range (25 vs 10 km). Several Russia-origin figures here are manufacturer or state claims with limited independent verification, so treat this comparison as directional.
Compare systems side by side
Search above to add up to five systems. You’ll get a per-spec winner, relative bars, a normalized spec profile and an honest verdict, every number from public sources.
Building a fleet? Try the Force Builder →
Full data
Full spec sheet
 Kongsberg Defence & Aerospace NASAMS
Wins 6/7 |  Almaz-Antey 9K33 Osa
Wins 1/7 | |
|---|---|---|
| Performance | ||
| Max speed (Mach) (Mach) | 4 Mach ✓ | 2.4 Mach |
| Engagement range (km) | 25 km ✓ | 10 km |
| Engagement altitude (m) | 15,000 m ✓ | 5,000 m |
| Simultaneous targets | 72 ✓ | 2 |
| Firepower | ||
| Warhead (kg) | 18 kg ✓ | 15 kg |
| Sensors & avionics | ||
| Radar range (km) | 120 km ✓ | 40 km |
| Program | ||
| Unit cost (USD) | $200,000,000 | N/A |
| Units built | N/A | 1,200 |
| Operator countries | 12 | 25 ✓ |
Frequently asked questions
Which has the longer engagement range? +
The Kongsberg Defence & Aerospace NASAMS has the longest engagement range at 25 km.
Which is cheaper? +
The Kongsberg Defence & Aerospace NASAMS has the lower public unit-cost figure at 200,000,000 USD. Treat this as directional, defense pricing varies by contract and configuration.
Which has the higher max speed (mach)? +
The Kongsberg Defence & Aerospace NASAMS has the higher max speed (mach) at 4 Mach.
Which has the higher simultaneous targets? +
The Kongsberg Defence & Aerospace NASAMS has the higher simultaneous targets at 72.
Which has the higher warhead? +
The Kongsberg Defence & Aerospace NASAMS has the higher warhead at 18 kg.
Which has the higher engagement altitude? +
The Kongsberg Defence & Aerospace NASAMS has the higher engagement altitude at 15,000 m.
Is the Kongsberg Defence & Aerospace NASAMS better than the Almaz-Antey 9K33 Osa? +
On the public specs we track, the Kongsberg Defence & Aerospace NASAMS leads on 6 of 6 headline metrics, see the full spec sheet for the metric-by-metric breakdown.
Where does this comparison data come from? +
Every figure in the table is sourced from public manufacturer pages, defense-ministry releases and reference publications, and is verifiable on each system's spec page. WeaponSpecs does not accept vendor placement.
Keep exploring
