| PartNumber | 3-640428-3 | 3-640428-2 | 3-640428-4 |
| Description | Headers & Wire Housings CLOSED W/O TABS 3P L.R. red 22 AWG | Headers & Wire Housings CLOSED W/O TABS 2P L.R. red 22 AWG | Headers & Wire Housings CLOSED W/O TABS 4P L.R. red 22 AWG |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | Y | Y | Y |
| Product | Wire Housings | Wire Housings | Wire Housings |
| Type | Receptacle Assembly | Receptacle Assembly | Receptacle Assembly |
| Number of Positions | 3 Position | 2 Position | 4 Position |
| Pitch | 3.96 mm | 3.96 mm | 3.96 mm |
| Number of Rows | 1 Row | 1 Row | 1 Row |
| Mounting Style | Free Hanging | Free Hanging | Free Hanging |
| Termination Style | IDC | IDC | IDC |
| Contact Gender | Socket (Female) | Socket (Female) | Socket (Female) |
| Contact Plating | Tin | Tin | Tin |
| Series | MTA-156 | MTA-156 | MTA-156 |
| Tradename | MTA | MTA | MTA |
| Packaging | Bulk | Bulk | Bulk |
| Current Rating | 7 A | 7 A | 7 A |
| Housing Material | Nylon | Nylon | Nylon |
| Voltage Rating | 600 VAC | 600 VAC | 600 VAC |
| Brand | TE Connectivity | TE Connectivity | TE Connectivity |
| Contact Material | Copper Alloy | Copper Alloy | Copper Alloy |
| Latching Type | Locking Ramp | Locking Ramp | Locking Ramp |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 500 | 500 | 250 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Wire Gauge | 22 | 22 | 22 |
| Part # Aliases | 3-640428-3 | 3-640428-2 | 3-640428-4 |
| Unit Weight | 0.051394 oz | 0.040001 oz | 0.064022 oz |