If you wish to influence the precise source or quality of materials, you can tell the vendor from whom you want to procure a material which manufacturer the material is to be supplied by and the part number used by that manufacturer.
You can also tell your vendor exactly which of a manufactureru2019s plants is to supply the material you wish to procure.
The manufactureru2019s part number (MPN) and description, as well as the specific manufacturing plant (if applicable), are included in the data sent to the vendor with the purchase order.
Your vendor gets the steel bolts he supplies to you from the manufacturers Zenith Co. and Miller Corp.
However, you are not satisfied with the quality of the Zenith product. You wish to have the steel bolts that are manufactured by Miller Corp. You advise your vendor of this in the purchase order by specifying the manufacturer and the MPN.
If you wish to check and control which MPN materials may be procured, you should make use of the approved manufacturer parts list (AMPL).
In this list, you can specify for each MPN material
Whether it can be procured for a certain plant only or for all the plants of your enterprise
The period during which the MPN material may be procured
Whether it must belong to a certain revision level
Whether it may only be procured from a certain manufacturer plant
Whether it is blocked and, if so, why
You can define reasons for blocking MPN materials in Customizing for Purchasing under Material master.
Prerequisites
You should define a Manufacturer part profile under Material master in Customizing for Purchasing. Set the indicator for AMPL management so that the system checks the approved manufacturer parts list when the MPN material is entered.
Enter the manufacturer part profile in the master record of the inventory-managed material (Purchasing view).
In order that the system checks whether the manufacturer plant entered is allowed, you must
Create master records with the account group MNFR for the manufacturer plants;
Enter the manufacturer plants with the partner role HS in the manufacturer or vendor master record;
Specify a checking rule in the manufacturer part profile.
Activities
You maintain the approved manufacturer parts list via the Purchasing menu under Master data ® Appr. manuf. parts ® Maintain.
At this point, SAP provides the enhancement AMPL0001, enabling you to define your own criteria for the admissibility of manufacturer parts
Bluesky
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