Artillery Rounds

HEI,HEI-M,HEI-T,HEI-TP

Artillery Rounds

23x115 mm Rounds HEI with High-Explosive Incendiary Projectile
23x115 mm Rounds HEI-M with High-Explosive Incendiary Projectile
23x115 mm Round with HEI-T with High-Explosive Incendiary Tracer Projectile
23x115 mm Round with HEI-TP with High-Explosive Incendiary Target Practice Projectile

23x115 mm HEI
NSN: 1305-50-000-0783
23x115 mm HEI-M
NSN: 1305-50-001-2478
23x115 mm HEI-T
NSN: 1305-50-001-3279
23x115 mm HEI-TP

NSN: 1305-50-001-2488

The Rounds are compatible with 23 mm GSh-23, GSh-23L, GSh-6-23M and AM-23 Automatic guns installed on Su-24, MiG-31, Su-15, MiG-21, MiG-23, Tu-22M, Tu-95s
and llyushin II-76 aircraft and Mi-24VP, W-3WA helicopters, and others;
intended to defeat unarmored and light armored ground and air targets, and manpower.

Specifications
  HEI HEI-M HEI-T
Caliber, mm 23x115 23x115 23x115
Projectile type

High-Explosive

Incendiary

High-Explosive

Incendiary

High-Explosive
Incendiary, Tracer
Round length, mm from 197.90 to 200.53 from 197.90 to 200.53 from 197.90 to 200.53
Round weight, g 329 approx. 341 approx. 343 approx.
Projectile weight, g 174 approx. 186 approx. 188 approx.
Explosive filling type A-IX-2 A-IX-2 A-IX-2
Explosive filing weight, g 17.8 approx. 18.4 approx. 15.2 approx.
Fuze type AF23 AF23 AF23
Fuze arming distance, m from 2.5 to 100 from 2.5 to 100 from 2.5 to 100
Tracer burning time, s - - not less than 5
Average muzzle
velocity, Voaver, m/s
715 700 700
Average max Pressure
at 15°C Pmaxaver, Mpa
not more than 294.2 not more than 294.2 not more than 294.2
Propellant type 4/7 Cgr 4/7 Cgr 4/7 Cgr
Case material brass brass brass
Operational temperature
range, °C
from minus 50 to 50 from minus 50 to 50 from minus 50 to 50
CLASS OF EXPLOSION HAZARD  1.1F; UN 0005 1.1F; UN 0005 1.1F; UN 0005
HEI-TP
Caliber, mm 23x115
Projectile type

High-Explosive Incendiary
Target Practice

Round length, mm from 197.90 to 200.53
Round weight, g 329 approx.
Projectile weight, g 174 approx.
Fuze type Ballistic plug
Average muzzle
velocity, V0aver , m/s
715
Average max Pressure
at 15°C Pmaxaver, Mpa
not more than 294.2
Propellant type 4/7 Cgr
Case material brass
Operational temperature
range, °C
from minus 50 to 50
CLASS OF EXPLOSION HAZARD  1.2C; UN 0328
Packing
HEI, HEI-TP HEI-M; HEI-T
44 rounds in one airtight metal box, three metal boxes
(132 pcs totally) in a wooden case
Wooden case dimensions, mm 875x398x206 875x398x206
Gross weight, kg 61 63
Volume, m3 0.072 0.072