| Part Number | 5504640-1 | 5503640-1 | 
|---|---|---|
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors | 
| Category | Fiber Optic Connectors - Adapters | Fiber Optic Connectors - Adapters | 
|   |   | |
| Product Status | Discontinued at Digi-Key | Obsolete | 
| Type | Coupler | Adapter | 
| Convert From (Adapter End) | SC Receptacle | FC Receptacle | 
| Convert To (Adapter End) | SC Receptacle | ST Receptacle | 
| Simplex/Duplex | Duplex | Simplex | 
| Mode | Multimode | Singlemode/Multimode | 
| Mounting Type | Panel Mount, Flange; Snap-In | Panel Mount, Square Flange | 
| Housing Material | Polybutylene Terephthalate (PBT), Glass Filled | Brass | 
| Ferrule Material | Metal | Metal | 
| Features | Dust Cap | Dust Cap | 
| Color | Beige | Silver |