The Grenade Recognition Manual
Grenade Data Sheet

Designation-  M48

Type-  Smoke

Country of Origin-  USA

Years or Era-  Post WW2
Weight 390 gm
Diameter 3.5 in.
Length- total
Length- body
Fuze Designation M227
Fuze Type
Fuze Delay
Filling Type Red Smoke compound
Filling Weight 165 gm 
Detonator
Body Material
Remarks-   Training version of M47 gas grenade.
Markings-  Body painted light green with black markings.
Photo Source- Manions