3.96 mm pitch, 4-position breakaway header
Tin plating and UL94 V-0 housing
Both the mating contact and the solder post carry 60 µinch tin plating. The black polyester housing is glass-filled and rated UL94 V-0.

Molex KK396, 41661 series unshrouded header, 4 circuits, 3.96 mm pitch, through-hole, tin-plated male pins, UL94 V-0 black polyester housing.
| Parameter | Value |
|---|---|
| Series | KK396, 41661 |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header, Breakaway |
| Fastening type | Push-Pull |
| Contact material | Brass |
| Insulation color | Black |
| Insulation height | 0.128\" (3.25mm) |
| Insulation material | Polyester, Glass Filled |
| Material flammability rating | UL94 V-0 |
| Style | Board to Board or Cable |
| Package | Bulk |
| Parameter | Value |
|---|---|
| Shrouding | Unshrouded |
| Termination | Solder |
| Applications | Automotive, General Purpose, Industrial, Medical, Telecommunications |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.156\" (3.96mm) |
| Positions | 4 |
| Contact finish - post | Tin |
| Contact length - post | 0.172\" (4.37mm) |
| Overall contact length | 0.750\" (19.05mm) |
| Contact finish - mating | Tin |
| Contact length - mating | 0.450\" (11.43mm) |
| Contact finish thickness - post | 60.0µin (1.52µm) |
| Contact finish thickness - mating | 60.0µin (1.52µm) |
Both the mating contact and the solder post carry 60 µinch tin plating. The black polyester housing is glass-filled and rated UL94 V-0.
The pitch is 3.96 mm (0.156 inches), which is standard for the KK396 series. The mating receptacle must match this centreline spacing.
The evidence does not list a 0026481040 for comparison. Both are part of the same base product number 002648, but position count or plating may differ — check the specific part number against your BOM.