| Parameters | 
                                                                                                            
                                            | Mfr | TE Connectivity Deutsch Connectors | 
                                                                            
                                            | Series | MIL-DTL-38999 Series III, ACT | 
                                                                            
                                            | Package | Bag | 
                                                                            
                                            | Product Status | Active | 
                                                                            
                                            | Connector Type | Plug, Female Sockets | 
                                                                            
                                            | Number of Positions | 55 | 
                                                                            
                                            | Shell Size - Insert | 23-55 | 
                                                                            
                                            | Shell Size, MIL | H | 
                                                                            
                                            | Mounting Type | Free Hanging (In-Line) | 
                                                                            
                                            | Mounting Feature | - | 
                                                                            
                                            | Termination | Crimp | 
                                                                            
                                            | Fastening Type | Threaded | 
                                                                            
                                            | Orientation | E | 
                                                                            
                                            | Primary Material | Composite | 
                                                                            
                                            | Shell Material | Composite | 
                                                                            
                                            | Shell Finish | Electroless Nickel | 
                                                                            
                                            | Contact Finish - Mating | Gold | 
                                                                            
                                            | Color | Silver | 
                                                                            
                                            | Ingress Protection | Environment Resistant | 
                                                                            
                                            | Material Flammability Rating | - | 
                                                                            
                                            | Features | Coupling Nut | 
                                                                            
                                            | Shielding | Shielded | 
                                                                            
                                            | Current Rating (Amps) | - | 
                                                                            
                                            | Voltage Rating | 600VAC, 850VDC | 
                                                                            
                                            | Cable Opening | - | 
                                                                            
                                            | Operating Temperature | -65°C ~ 200°C | 
                                                                            
                                            | Backshell Material, Plating | - | 
                                                                            
                                            | Contact Material | Copper Alloy | 
                                                                            
                                            | Contact Finish Thickness - Mating | 50.0µin (1.27µm) | 
                                                                            
                                            | Insert Material | Thermoplastic | 
                                                                            
                                            | Applications | Aviation, Communication Systems, Industrial | 
                                                                            
                                            | Base Product Number | ACT26 | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | REACH Status | REACH Affected | 
                                                                            
                                            | ECCN | EAR99 | 
                                                                            
                                            | HTSUS | 8536.69.4020 | 
                                                                            
                                            | Other Names | YACT26MH55JE000000 | 
                                                                            
                                            | Standard Package | 50 | 
                                                                                                    
                            
                         
                                                55 Position Circular Connector Plug, Female Sockets Crimp