| PartNumber | 903-505 | 903-505J-51S1 | 903-505J-51S |
| Description | Standoffs & Spacers Plastic Spcr .505 in Nylon White | RF Connectors / Coaxial Connectors BLHD JCK 316DS GLD | RF Connectors / Coaxial Connectors BLHD JCK 316/174 GLD |
| Manufacturer | BIVAR | Amphenol | Amphenol |
| Product Category | Standoffs & Spacers | RF Connectors / Coaxial Connectors | RF Connectors / Coaxial Connectors |
| RoHS | Y | E | E |
| Product | Spacers | Connectors | Connectors |
| Type | Round | - | - |
| Thread Size | - | - | - |
| Length | 0.505 in | - | - |
| Material | Nylon | - | - |
| Outside Diameter | 0.156 in | - | - |
| Plating | - | - | - |
| Gender | Female | Jack | Jack |
| Packaging | Bulk | - | Bulk |
| Color | White | - | - |
| Inside Diameter | 0.047 in | - | - |
| Brand | Bivar | Amphenol RF | Amphenol RF |
| Shape | Round | - | - |
| Product Type | Standoffs & Spacers | RF Connectors / Coaxial Connectors | RF Connectors / Coaxial Connectors |
| Factory Pack Quantity | 1000 | 1 | 1 |
| Subcategory | Hardware | RF Interconnects | RF Interconnects |
| RF Series | - | SMB | SMB |
| Impedance | - | 50 Ohms | 50 Ohms |
| Minimum Frequency | - | - | - |
| Maximum Frequency | - | 4 GHz | 4 GHz |
| Termination Style | - | Cable - Crimp | Cable - Crimp |
| Orientation | - | Straight | Straight |
| Mounting Type | - | Bulkhead - Rear Mount | Bulkhead - Rear Mount |
| Cable Type | - | RD-188/U, RD-316/U | RD-188/U, RD-316/U |
| Body Material | - | Brass | Brass |
| Body Style | - | Bulkhead | Bulkhead |
| Contact Plating | - | Gold | Gold |
| Contact Termination | - | Solder | Solder |
| Isolation | - | Non-Isolated | Non-Isolated |
| Series | - | SMB | SMB |
| Voltage Rating | - | 335 V | 335 V |
| Contact Material | - | Brass | Brass |
| Body Finish | - | Gold | Gold |
| Coupling Mechanism | - | Slide On | Slide On |
| Mating Cycles | - | 500 | 500 |
| Maximum Operating Temperature | - | + 165 C | + 165 C |
| Minimum Operating Temperature | - | - 65 C | - 65 C |
| Insulation Resistance | - | - | 1000 MOhms |
| Part # Aliases | - | - | 713-4283 SMB1421A1-10GT30G-316U-50 |