Special Information - TM-55-1730-228-13-P0333

TM 55-1730-228-13&P

(2) Fig. Column. This column lists the number of the figure where the item is identified /located. The figures

are in numerical order in Section II and Section III.

(3) Item Column. The Item number identifies the item associated with the figure listed in the adjacent FIG.

column. This item is also identified by the NSN listed on the same line.

b. Part Number Index. Part numbers in this index are listed by part number in ascending alphanumeric

sequence (i.e., vertical arrangement of letter and number combination which places the first letter or digit of each group

in order A through Z, followed by the numbers 0 through 9 and each following letter or digit in like order).

(1) FSCM Column. The Federal Supply Code for Manufacturer (FSCM) is a 5-digit numeric code used to

identify the manufacturer, distributor, or Government agency, etc., that supplies the item.

(2) Part Number Column. Indicates the primary number used by the manufacturer (individual, firm,

corporation, or Government activity), which controls the design and characteristics of the item by means of its

engineering drawings, specifications standards, and inspection requirements to identify an item or range of Items.

(3) Stock Number Column. This column lists the NSN for the associated part number and manufacturer

identified in the Part Number and FSCM Columns to the left.

(4) FIG. Column. This column lists the number of the figure where the item is identified/located in Section II

and III.

(5) Item Column. The item number is that number assigned to the item as it appears in the figure referenced

in the adjacent figure number column.

C-5. Special Information. Use the following subparagraphs as applicable:

a. Usable On Code. Not applicable.

b. Index Numbers. Items which have the word BULK in the figure column will have an index number shown in

the item number column. This index number is a cross-reference between the National Stock Number/Part Number

Index and the bulk material list in Section II.

c. Associated Publications. Not applicable.

C-6. How to Locate Repair Parts.

a. When National Stock Number or Part Number is Not Known.

(1) First. Using the table of contents, determine the assembly group or subassembly group to which the item

belongs. This is necessary since figures are prepared for assembly groups and subassembly groups, and listings are

divided into the same groups.

(2) Second. Find the figure covering the assembly group or subassembly group to which the item belongs.

(3) Third. Identify the item on the figure and note the item number.

(4) Fourth. Refer to the Repair Parts List for the figure to find the part number for the item number noted on

the figure.

(5) Fifth. Refer to the Part Number Index to find the NSN, if assigned.

C-6