| RGD-33 grenade | |
|---|---|
 RGD-33 grenade in a museum. | |
| Type | Hand grenade |
| Place of origin | Soviet Union |
| Service history | |
| Used by | See Users |
| Wars | Winter War / Continuation War, World War II, Korean War, First Indochina War, Vietnam War |
| Production history | |
| Designed | 1933 |
| Produced | 1933–1942? |
| Specifications | |
| Mass | 500 g (18 oz)[1][a] |
| Length | 190 mm (7.5 in) |
| Diameter | 45 mm (1.8 in), 54 mm (2.1 in) with fragmentation sleeve |
| Filling | TNT |
| Filling weight | 85 g (3.0 oz)[2] |
Detonation mechanism | Time-fuse, 3.2–3.8 seconds[1] |
The Soviet RGD-33 (Ручная Граната Дьяконова образца 33 года >Ruchnaya Granata Djakonova obraztsa 33 goda, "Hand Grenade, Dyakonov design, pattern year 1933") is a dual use (offensive and defensive) stick grenade developed in 1933.
Designed to replace the RG-14/30 which was an improved World War I vintage design, the RGD-33 proved to be overly complex to operate, specially in the hands of poorly educated peasant conscripts and to produce during the Great Patriotic War. It was replaced in service with a simpler design, the RG-42, though it remained in service with naval infantry units for the remainder of the war.
In the post-war period, despite being obsolete in the USSR, the RGD-33 would continue to see use in Korea and Vietnam.
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