| Type of Material | Gun Metal | Stainless Steel |
| Body | LTB - IS : 318 | Stainless Steel:- IS 3444 |
| Rubber Washer | IS : 937 (Type-A) | IS : 937 (Type-A) |
| Spring | Phosphorus Wire:- IS 7608 | Stainless Steel:- IS 6528 |
| Size | 63 mm | 63 mm |
Fire Hose Delivery Coupling
| Type of Material | Gun Metal | Stainless Steel |
| Body | LTB - IS : 318 | Stainless Steel:- IS 3444 |
| Rubber Washer | IS : 937 (Type-A) | IS : 937 (Type-A) |
| Spring | Phosphorus Wire:- IS 7608 | Stainless Steel:- IS 6528 |
| Size | 63 mm | 63 mm |