d. Column (4) National/NATO Stock Number. The NSN/NATO Stock Number of the tool or test
e. Column (5) Tool Number. The manufacturer's part number, model number, or type number.
B-5. EXPLANATION OF COLUMNS IN SECTION IV
a. Column (1) Reference Code. The code recorded in Column 6 of the MAC.
b. Column (2) Remarks. This column lists information pertinent to the maintenance function being
performed as indicated in the MAC.
B-6. JOHN DEERE FUNCTIONAL GROUP CODING
The MAC is arranged in accordance with the following John Deere functional group coding:
02 Axles and Suspension Systems
05 Engine Auxiliary Systems
16 Electrical System
17 Frame, Chassis or Supporting Structure
18 Operator's Station
20 Safety and Convenience
21 Main Hydraulic System
22 Pneumatic Systems
43 Swing or Pivoting System
44 Cutting Mechanisms