|  | Coaxial Connectors (RF) - Adapters | 
| Center Contact Plating | Silver | 
| Dielectric Material | Polytetrafluoroethylene (PTFE) | 
| Center Contact Material | Beryllium Copper | 
| Online Catalog | Coaxial, RF Adapters - Amphenol-RF Division | 
| Ingress Protection | - | 
| Conversion Type | Same Series | 
| Mating Cycles | 500 | 
| Center Gender | Female to Female | 
| Convert To (Adapter End) | BNC Jack, Female Socket | 
| Includes | 4 pcs - 1 Connector, 1 Gasket, 1 Lockwasher, 1 Nut | 
| Manufacturer | Amphenol RF Division | 
| Style | Straight | 
| Features | - | 
| Convert From (Adapter End) | BNC Jack, Female Socket | 
| Other Names | 031-220H 31220H ARF1129 UG-492A | 
| Insertion Loss | - | 
| Operating Temperature | -65°C ~ 165°C | 
| Datasheets | BNC 50 Ohm Bulkhead Adapters 31-220H Drawing | 
| Categories | Connectors, Interconnects | 
| Mounting Type | Panel Mount | 
| Fastening Type | Bayonet Lock, Bayonet Lock | 
| Adapter Type | Jack to Jack | 
| Mounting Feature | Bulkhead | 
| Standard Package | 1 | 
| Series | - | 
| Body Material | Brass | 
| Packaging | Bulk | 
| Part Status | Active | 
| Impedance | 50 Ohm | 
| Body Finish | Nickel | 
| Frequency - Max | 4GHz | 
| Adapter Series | BNC to BNC |