
These are fragmentation (frag) hand grenades. The RGO is defensive and the RGN is offensive. They use a pyrotechnic delay armed, impact fired (all-way acting) and self destruct UDZ or UDZ-S fuze.
The grenade body is painted olive drab with black markings. The fuze housing is white plastic, and the gold-colored safety lever is stamped with Cyrillic (Soviet) characters.
No information about functioning.
No information about hazardous components.
Nothing else to see.
Basic Identification of Ammunition in Ukraine 5.0 (2023)
Explosive Ordnance Guide for Ukraine, First Edition (2022)
Explosive Ordnance Guide for Ukraine, Second Edition (2022)
Afghanistan Ordnance ID Guide, Volume 1 (2004)
Iraq Ordnance Identification Guide (2004)
DST-1160H-016-94, Hand and Rifle Grenades, Worldwide Identification Guide (1994)
Ordnance and Munitions, The XXI Century Encyclopedia