STANAG 4569
NATO AEP-55 STANAG 4569 is a NATO Standardization Agreement covering the standards for the "Protection Levels for Occupants of Logistic and Light Armored Vehicles".[1]
The standard covers strikes from Kinetic Energy, artillery, and IED blasts.
Level 1
Kinetic Energy
7.62 x 51 NATO Ball (Ball M80) at 30 meters with velocity 833 m/s.[1][2]
5.56 × 45 NATO Ball (SS109) at 30m with a velocity of 910 m/s
5.56 × 45 NATO Ball (M193) at 30m with a velocity of 930 m/s
Protection against all three threats must be provided.
Grenade and Mine Blast
Hand grenades, unexploded artillery fragmenting submunitions, and other small anti personnel explosive devices detonated under the vehicle.
Level 2
Kinetic Energy
7.62 x 39 API BZ at 30 meters with 695 m/s[1]
Grenade and Mine Blast Threat
6 kg (explosive mass) Blast AT Mine:
2a – Mine Explosion pressure activated under any wheel or track location.
2b – Mine Explosion under center.
Level 3
Kinetic Energy
7.62 x 51 AP (WC core) at 30 meters with 930 m/s[1]
Grenade and Mine Blast Threat
8 kg (explosive mass) Blast AT Mine:
3a – Mine Explosion pressure activated under any wheel or track location.
3b – Mine Explosion under center.
Level 4
Kinetic Energy
14.5x114AP / B32 at 200 meters with 911 m/s[1]
Artillery
155 mm High Explosive at 30 m[3]
Grenade and Mine Blast Threat
10 kg (explosive mass) Blast AT Mine:
4a – Mine Explosion pressure activated under any wheel or track location.
4b – Mine Explosion under center.
Level 5
Kinetic Energy
25 mm APDS-T (M791) or TLB 073 at 500 m with 1258 m/s[1]
Artillery
155 mm High Explosive at 25 m