Most Common Tables used in Materials Management Modules:

EINA Purchasing Info Record- General Data 
EINE Purchasing Info Record- Purchasing Organization Data 
MAKT Material Descriptions 
MARA General Material Data 
MARC Plant Data for Material 
MARD Storage Location Data for Material 
MAST Material to BOM Link 
MBEW Material Valuation 
MKPF Header- Material Document 
MSEG Document Segment- Material 
MVER Material Consumption 
MVKE Sales Data for materials 
RKPF Document Header- Reservation 
T023 Mat. groups 
T024 Purchasing Groups 
T156 Movement Type 
T157H Help Texts for Movement Types 
MOFF Lists what views have not been created 
A501 Plant/Material 
EBAN Purchase Requisition 
EBKN Purchase Requisition Account Assignment 
EKAB Release Documentation 
EKBE History per Purchasing Document 
EKET Scheduling Agreement Schedule Lines 
EKKN Account Assignment in Purchasing Document 
EKKO Purchasing Document Header 
EKPO Purchasing Document Item 
IKPF Header- Physical Inventory Document 
ISEG Physical Inventory Document Items 
LFA1 Vendor Master (General section) 
LFB1 Vendor Master (Company Code) 
NRIV Number range intervals 
RESB Reservation/dependent requirements 
T161T Texts for Purchasing Document Types