SAP ABAP TYPE CUSTR (CUSTR) is using

• Table/Structure Field (160)
• Table (16)

#	Object Type	Object Name	Object Description	Note
1	Table	API_NESTED	Structure for 'Nested KMAT'
2	Table	AUSP	Characteristic Values
3	Table	CABN	Characteristic
4	Table	COMW	Communication for Characteristics/Values
5	Table	CSCI_STPO	BOM Item User-Defined Fields
6	Table	CUCO	Additional Data for Configurable Objects
7	Table	DDB_C02	DDB Change Messages (Configuration)
8	Table	DRAW	Document Info Record
9	Table	INOB	Link between Internal Number and Object
10	Table	KSSK	Allocation Table: Object to Class
11	Table	RSRD1	Local structure for SAPMSRD1
12	Table	STKOB	BOM Header Document Table
13	Table	STPOB	BOM item document table
14	Table	STPUB	BOMs - sub-item documents
15	Table	STZUB	Permanent BOM data
16	Table	TLINE	SAPscript: Text Lines