644893-2 vs 644893-4 vs 644893-3

 
PartNumber644893-2644893-4644893-3
DescriptionHeaders & Wire Housings 02P CST100 SHRD HDRHeaders & Wire Housings 04P CST100 SHRD HDR ASSY W/PEGHeaders & Wire Housings 03P CST100 SHRD HDR
ManufacturerTE Connectivity AMP Connectors--
Product CategoryRectangular Connectors - Headers, Male Pins--
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