BOM related tables :-

STKO --- BOM - header 

STPO --- BOM - item 

STAS --- BOMs - Item Selection 

STPN --- BOMs - follow-up control 

STPU --- BOM - sub-item 

STZU --- Permanent BOM data 

PLMZ --- Allocation of BOM - items to operations 

MAST --- Material to BOM link 

KDST --- Sales order to BOM link 

PLPLAN_PARAM --- BOM-dependent planning parameter

SNUM --- BOM explosion number

T415S --- BOM status

T415T --- BOM Status Texts

T416 --- BOM Usage - Item Statuses

T416T --- BOM Usage Texts

T618EM --- BOM of CAP material components

TCS09 --- BOM Control Depending on Category and Usage

TCS11 --- BOM Objects

TCS15 --- BOMs with History Requirement

TCS17 --- BOMs with History Requirement

TCS19 --- BOM Item Object Types

TCS21 --- BOM Item Object Types: internal > external

TCS22 --- BOM Item Object Types: external > internal

TCS31 --- BOM Field Selection - Usage (T416)

TCS32 --- BOM to Plant Allocation - Field Selection

TCS33 --- BOM Field Selection (SAP)

TCS34 --- BOM Field Selection - Control Data (TCS03)