北约标准协定4569 防护等级.doc

protection levelsdefinition of protection: based on ballistic material providing a 90% probability of protection from the threat (established by stanag 4164).threat level 1 (rifle)artillery simulator: 20mm fsp (simulating 155mm threat) at 520 m/sec from a distance of 100 meters. due to very low probability of a large fragment retaining enough velocity at these distances, stanag 4569 makes this optional.ammunition: 5.56mm x 45 m193 balldistance: 30 metersprojectile weight: 3.56 gramsvelocity: 937 m/secenergy: 1,563 joulesammunition: 5.56mm x 45 ss109 (m855) (dm11) (nato)distance: 30 metersprojectile weight: 4 gramsvelocity: 900 m/secenergy: 1,620 joulesammunition: 7.62mm x 51 m80 ball (nato)distance: 30 metersprojectile weight: 9.5 gramsvelocity: 833 m/secenergy: 3,296 joulesthreat level 2 (infantry rifle)artillery simulator: 20mm fsp (simulating 155mm threat) at 630 m/sec from a distance of 80 meters. due to very low probability of a large fragment retaining enough velocity at these distances, stanag 4569 makes this optional.ammunition: 7.62mm x 39 api bzdistance: 30 metersprojectile weight: 7.77 gramsvelocity: 695 m/secenergy: 1,877 joulesthreat level 3 (sniper rifle)artillery simulator: 20mm fsp (simulating 155mm threat) at 770 m/sec from a distance of 60 meters. due to very low probability of a large fragment retaining enough velocity at these distances, stanag 4569 makes this optional.ammunition: 7.62mm x 54r b32 armor piercing-inciendaryprojectile weight: 10 gramsdistance: 30 metersvelocity: 854 m/secenergy: 3,647 joulesammunition: 7.62mm x 51 ap m993 (wc core)projectile weight: 8.4 gramsdistance: 30 metersvelocity: 930 m/secenergy: 3,633 joulesthreat level 4 (heavy machine gun)artillery simulator: 20mm fsp (simulating 155mm threat) at 960 m/sec from a distance of 25 meters.ammunition: 14.5mm x 114 b32 armor piercing-inciendarydistance: 200 metersprojectile weight: 63.4 gramsvelocity: 911 m/secenergy: 26,308 joulesthreat level 5 (automatic cannon)artillery simulator: 20mm fsp (simulating 155mm threat) at 960 m/sec from a distance of 25 meters.ammunition: 25mm x 137 apds-