
031-239
Amphenol
14 variants · Amphenol
The Amphenol 0312 Series series groups 14 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common body finish of Nickel, body material of Brass and package of Bulk. Variants differ by center contact material, center contact plating and dielectric material, so you can match the exact center contact material your application requires using the selection guide below. The range mixes active and legacy part numbers, so you can source both current Amphenol 0312 Series variants and discontinued ones from a single page.
| Parameter | 031-239 | 031-212-1005 | 031-218-75RFX | 031-2201 | 031-220N-75RFX | 031-2264-RFX |
|---|---|---|---|---|---|---|
| Center contact material | Beryllium Copper; Brass | Brass | Beryllium Copper | Beryllium Copper | Phosphor Bronze | Phosphor Bronze |
| Center contact plating | Silver | Silver | Gold | Silver | Gold | Gold |
| Dielectric material | Polytetrafluoroethylene (PTFE) | Polytetrafluoroethylene (PTFE) | Polyoxymethylene (POM) Acetal | Polytetrafluoroethylene (PTFE) | Polyoxymethylene (POM) Acetal | Polyoxymethylene (POM) Acetal |
| Fastening type | Bayonet Lock | Bayonet Lock | Bayonet Lock, Bayonet Lock | Bayonet Lock | Bayonet Lock, Bayonet Lock | Threaded |
| Features | Extended Insulation | - | - | - | - | - |
| Impedance | 50Ohm | 50Ohm | 75Ohm | 50Ohm | 75Ohm | 50Ohm |
| Includes | 4 pcs - 1 Connector, 1 Gasket, 1 Lockwasher, 1 Nut | 6 pcs - 1 Connector, 1 Braid Clamp, 1 Clamp, 1 Contact, 1 Gasket, 1 Washer | - | 6 pcs - 1 Connector, 1 Braid Clamp, 1 Clamp, 1 Contact, 1 Gasket, 1 Washer | - | 7 pcs - 1 Connector, 1 Contact, 1 Ferrule, 1 Gasket, 1 Insulator, 1 Lockwasher, 1 Nut |
| Ingress protection | - | Weatherproof | - | Weatherproof | - | - |
Request a quote on any Amphenol 0312 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

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