TM 9-2320-361-10 B-3. EXPLANATION OF COLUMNS (Contd) Code Used On Code Used On 456 M36A2 w/w 510 M109A3 wo/w 470 M756A2 511 M109A3 w/w 483 M275A2 wo/w 516 M185A3 wo/w 484 M275A2 w/w 527 M342A2 w/w 503 M49A2C wo/w B48 M764 506 M49A2C w/w B95 M50A3 wo/w 507 M50A2 wo/w B96 M50A3 w/w d. Column (4) - Unit of Measure (U/M). Indicates the measure used in perform- ing the actual operational/maintenance function. This measure is expressed by a two-character alphabetical abbreviation; (e.g., ea, in., pr). e. Column (5) - Quantity Required (Qty rqr). Indicates the quantity of the item authorized to be used with/on the vehicle. B-4. FEDERAL SUPPLY CODES FOR MANUFACTURER Code 21450 96906 Manufacturer U.S. Army Tank-Auto-motive Command Ordnance Corps Engineering Stds. Military Standards Section Il. COMPONENTS OF END ITEM B-5. GENERAL These items are installed in the vehicle at the time of manufacture or rebuild. (None authorized for M44A2 series.) Section lIl. BASIC ISSUE ITEMS B-6. GENERAL These are the minimum essential items required to place and maintain M44A2 series vehicles in operation. Although shipped separately packed, BII must accompany the vehicle during operation and whenever it is transferred between accountable officers. The illustrations will assist you to identify each basic issue item. B-2