List of SAP MM Transaction codes

All transaction are stored in table TSTC. 
Transaction for MM module start with M. 

IH09 - Display Material 
MM01 - Create Material  
MM02 - Change Material  
MM03 - Display Material 
MM50 - List Extendable Materials 
MMBE - Stock Overview 
MMI1 - Create Operating Supplies 
MMN1 - Create Non-Stock Material  
MMS1 - Create Service 
MMU1 - Create Non-Valuated Material 
 
ME51N - Create Purchase Requisition 
ME52N - Change Purchase Requisition 
ME53N - Display Purchase Requisition 
ME5A - Purchase Requisitions: List Display 
ME5J - Purchase Requisitions for Project 
ME5K - Requisitions by Account Assignment 
MELB - Purch. Transactions by Tracking No. 
 
ME56 - Assign Source to Purch. Requisition 
ME57 - Assign and Process Requisitions 
ME58 - Ordering: Assigned Requisitions 
ME59 - Automatic Generation of POs 

ME54 - Release Purchase Requisition 
ME55 - Collective Release of Purchase Reqs. 
ME5F - Release Reminder: Purch. Requisition 
 
MB21 - Create Reservation 
MB22 - Change Reservation 
MB23 - Display Reservation 
MB24 - Reservations by Material 
MB25 - Reservations by Account Assignment 
 
MB1C - Other Goods Receipts 
MB90 - Output Processing for Mat. Documents 
 
MB21 - Create Reservation 
MB22 - Change Reservation 
MB23 - Display Reservation 
MB24 - Reservations by Material 
MB25 - Reservations by Account Assignment 
 
MBRL - Return Delivery per Mat. Document 

MB1C - Other Goods Receipts 
MB90 - Output Processing for Mat. Documents 
 
MB1B - Transfer Posting 
 
MIBC - ABC Analysis for Cycle Counting 
 
MI01 - Create Physical Inventory Document 
MI02 - Change Physical Inventory Document 
MI03 - Display Physical Inventory Document 
MI31 - Batch Input: Create Phys. Inv. Doc. 
MI32 - Batch Input: Block Material 
MI33 - Batch Input: Freeze Book Inv.Balance 
MICN - Btch Inpt:Ph.Inv.Docs.for Cycle Ctng 
MIK1 - Batch Input: Ph.Inv.Doc.Vendor Cons. 
MIQ1 - Batch Input: PhInvDoc. Project Stock 
 
MI01 - Create Physical Inventory Document 
MI02 - Change Physical Inventory Document 
MI03 - Display Physical Inventory Document 
MI31 - Batch Input: Create Phys. Inv. Doc. 
MI32 - Batch Input: Block Material 
MI33 - Batch Input: Freeze Book Inv.Balance 
MICN - Btch Inpt:Ph.Inv.Docs.for Cycle Ctng 
MIK1 - Batch Input: Ph.Inv.Doc.Vendor Cons. 
MIQ1 - Batch Input: PhInvDoc. Project Stock 
 
MI01 - Create Physical Inventory Document 
MI02 - Change Physical Inventory Document 
MI03 - Display Physical Inventory Document 
MI31 - Batch Input: Create Phys. Inv. Doc. 
MI32 - Batch Input: Block Material 
MI33 - Batch Input: Freeze Book Inv.Balance 
MICN - Btch Inpt:Ph.Inv.Docs.for Cycle Ctng 
MIK1 - Batch Input: Ph.Inv.Doc.Vendor Cons. 
MIQ1 - Batch Input: PhInvDoc. Project Stock 
 
MI21 - Print physical inventory document 
 
MI04 - Enter Inventory Count with Document 
MI05 - Change Inventory Count 
MI06 - Display Inventory Count 
MI09 - Enter Inventory Count w/o Document 
MI34 - Batch Input: Enter Count 
MI35 - Batch Input: Post Zero Stock Balance 
MI38 - Batch Input: Count and Differences 
MI39 - Batch Input: Document and Count 
MI40 - Batch Input: Doc., Count and Diff. 
 
MI08 - Create List of Differences with Doc. 
MI10 - Create List of Differences w/o Doc. 
MI20 - Print List of Differences 
 
MI11 - Physical Inventory Document Recount 
 
MI07 - Process List of Differences 
MI37 - Batch Input: Post Differences 
 
CT01 - Create Characteristic 
CT02 - Change Characteristic 
CT03 - Display Characteristic 
 
CL01 - Create Class 
CL02 - Classes 
CL03 - Display Class 
CL04 - Delete Class 
CL2B - Class Types
How to create the new Unit of Measurement?

The Path(to create UOM) is as follows:

SPRO--->General Settings--->Check Uuits of Measurements

in Check units of measurements you need to define Dimension, ISO Code, Units of measurement.     *-- Kamal

Get help for your SAP MM problems
Do you have a SAP MM Question?

SAP Books
SAP Certification, Interview Questions, Functional, Basis Administration and ABAP Programming Reference Books

SAP MM Tips
SAP MM Configuration Tips and Materials Management Discussion Forum

Best regards,
SAP Basis, ABAP Programming and Other IMG Stuff
http://www.sap-img.com

All the site contents are Copyright © www.sap-img.com and the content authors. All rights reserved.
All product names are trademarks of their respective companies.  The site www.sap-img.com is in no way affiliated with SAP AG. 
Every effort is made to ensure the content integrity.  Information used on this site is at your own risk. 
 The content on this site may not be reproduced or redistributed without the express written permission of 
www.sap-img.com or the content authors.