4-102976-0-30 vs 4-102976-0-31 vs 4-102976-0-32

PartNumber	4-102976-0-30	4-102976-0-31	4-102976-0-32
Description	CONN HEADER VERT 30POS 2.54MM	CONN HEADER VERT 31POS 2.54MM	CONN HEADER VERT 32POS 2.54MM