TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 1165 of 1275

TM9-2350-311-20-1

G-1 EXPLANATION OF COLUMNS

a. Column (1) — Item No.

This number is assigned to the entry in the listing for cross-referencing to the part number.

b. Column (2) — PN

Indicates the primary number used by the manufacturer (individual, company, firm, corporation, or Government activity),

which controls the design and characteristics of the item by means of its engineering drawings, specification, standards,

and inspection requirements to identify an item or range of items.

c. Column (3) — Description

This column contains the nomenclature that appears on the first page of the task under the subheading ‘Materials/

Parts.”

G-2