There are two possible connector types for the Taz 5. The early style ones from Digikey are the following part numbers (do a search on the WMxxx-ND numbers, they should come up.)
4 position connector
WM2902-ND 0050579404 CONN HOUSING 4POS female W/LATCH
WM2535-ND 0701070003 CONN HOUSING MALE 4POS
2 position connector
WM2900-ND 0050579402 CONN HOUSING 2POS female W/LATCH
WM2533-ND 0701070001 CONN HOUSING MALE 2POS
Pins for both 2 position or 4 position connectors
WM4593-ND 0016020098 CONN TERM FEMALE 24-30AWG 30GOLD
WM2567-ND 0016020117 CONN TERM MALE 22-24AWG GOLD
I’ve never ordered any of the newer pin style ones, you would need to get them from the bill of materials (BOM) found in download.lulzbot.com