Note

Cannibalization or controlled exchange, when authorized, may be used as a source of supply for items with the above source codes, except for those source coded "XA" or those aircraft support items restricted by requirements of AR 700-42.

TM 9-1005-249-244P

(2) Maintenance code. Maintenance codes tell you the category(s) of maintenance authorized to USE and REPAIR support items. The maintenance codes are entered in the third and fourth positions of the SMR Code as follows:

(a) The maintenance code entered in the third position tells you the lowest maintenance category authorized to remove, replace, and use an item. The maintenance code entered in the third position will indicate authorization to one of the following categories of maintenance.

Code Appfica fro n /Expian a tion

C - Crew or operator maintenance done within organizational or aviation unit maintenance.

O - Organizational or aviation unit category can remove, replace, and use the item

F - Direct support or aviation intermediate category can remove, replace, and use the item.

H - General support category can remove, replace, and use the item.

L - Specialized repair activity can remove, replace, and use the item.

D - Depot category can remove, replace, and use the item.

(b) The maintenance code entered in the fourth position tells you whether or not the item is to be repaired and identifies the lowest maintenance category with the capability to do complete repair (i.e., perform all authorized repair functions). (NOTE: Some limited repair may be done on the item at a lower category of maintenance, if authorized by the Maintenance Allocation Chart (MAC) and SMR codes.) This position will contain one of the following maintenance codes.

Cods Appiica tio rt /Expian a (ton

O - Organizational or aviation unit is the lowest category that can do complete repair of the item.

- Direct support or aviation intermediate is the lowest category that can do complete repair of the item.

- General support is the lowest category that can do complete repair of the item.

- Specialized repair activity (designate the specialized repair activity) is the lowest category that can do complete repair of the item.

- Depot is the lowest category that can do complete repair of the item.

- Nonreparable. No repair is authorized

- No repair is authorized. (No parts or special tools are authorized for the maintenance of a "B'-coded item.) However, the item may be reconditioned by adjusting, lubricating, etc., at the user level.

TM 9-1005-249-24&P

(3) Recoverability code. Recoverability codes are assigned to items to indicate the disposition action on unserviceable items. The recoverability code is entered in the fifth position of the SMR Code as follows:

Recoverability

Codes Definition

Z - Nonreparable item. When unserviceable, condemn and dispose of the item at the category of maintenance shown in 3d position of SMR Code.

O - Reparable item. When uneconomical^ reparable, condemn and dispose of the item at organizational or aviation unit category,

F - Reparable item. When uneconomically reparable, condemn and dispose of the item at the direct support or aviation intermediate category.

H - Reparable item. When uneconomically reparable, condemn and dispose of the item at the general support category.

D - Reparable item. When beyond lower category repair capability, return to depot. Con demnation and disposal of item not authorized below depot category.

L - Reparable item. Condemnation and disposal not authorized below specialized repair activity.

A - Item requires special handling or condemnation procedures because of specific reasons {i.e., precious metal content, high dollar value, critical material, or hazardous material). Refer to appropriate manuals/directives for specific instructions.

c. NATIONAL STOCK NUMBER (Column (3)). Lists the National stock number (NSN) assigned to the item. Use the NSN for requests/requisitions.

d. FSCM (Column (4)). The Federal Supply Code for Manufacturer (FSCM) is a 5-digit numeric code which is used to identify the manufacturer, distributor, or Government agency, etc., that supplies the item.

e. PART NUMBER (Column (5)). 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, specifications standards, and inspection requirements to identify an item or range of items.

NOTE

When you use an NSN to requisition an item, the item you receive may have a different part number from the part ordered, but go ahead and use or furnish it as the replacement part.

f. DESCRIPTION (Column (6)). This column includes the following information:

(1) The Federal item name and, when required, a minimum description to identify the item.

(2) Spare/repair parts that make up an assembled item are listed immediately following the assembled item line entry.

(3) NSN's for bulk materials are referenced in the description column in the line item entry for the item to be manufactured/fabricated.

(4) When the part to be used differs between serial numbers of the same model, the effective serial numbers are shown as the last line of the description.

(5) The USABLE ON CODE, when applicable (see paragraph C-4, SPECIAL INFORMATION).

(6) In the Special Tools List Section, the basis of issue (BOf) appears as the last line(s) in the entry for each special tool, special TMDE, and other special suppor t equipment. When density of equipments supported exceeds density spread indicated in the basis of issue, the total authorization is increased proportionately.

TM 9-1005-249-244 P

g. DIM (Column (7)). The Unit of Measure (UM) indicates the measure (e.g., foot, gallon, pound) or count (e.g., each, dozen, gross) of a listed item. A two-character alpha code (e.g., FT, GL, LB, EA, DZ, GR) appears in this column to indicate the measure or count, if trie U/M code appearing in this column differs from the Unit of Issue (U/l) code listed in the Army Master Data File (AMDF), request the lowest U/l that will satisfy your needs.

h. QTYINCIN UNIT (Column (8)). The Quantity Incorporated in Unit (QTY INC JN UNIT) indicates the quantity of the item used in the breakout shown on the illustration figure, which is prepared for a functional group, subfunctional group, or an assembly. A "V" appearing in this column in lieu of a quantity indicates that no specific quantity is applicable {e.g., shims, spacers).

C-4. SPECIAL INFORMATION.

a. The "USABLE ON CODE" title appears in the lower right corner of column (6), Description. Usable on codes are shown in the right-hand margin of the description column. Uncoded items are applicable to all models. Identification of the usable on codes used in this publication are:

Code Used ON

755 M16

194 M16A1

b. Detailed assembly instructions for items source coded to be assembled from component spare/repair parts are found in chapter 3. Items that make up the assembly are listed immediately following the assembled item entry

C-5. 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 functional group or subfunctional group to which the item belongs. This is necessary since figures are prepared for functional groups and subfunctional groups, and listings are divided into the same groups.

(2) Second. Find the figure covering the functional group or subfunctional group to which the item belongs.

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

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

b. When National Stock Number or Part Number is Known:

{1) First. Using the Index of National Stock Numbers and Part Numbers, find the pertinent National stock number or part number. The NSN index is in National Item Identification Number (NUN)* sequence. The part numbers in the Part Number index are listed in ascending alphanumeric sequence. Both indexes cross-reference you to the illustration figure and item number of the item you are looking for.

'The NUN consists of the last 9 digits of the NSN (i.e., 5305-01-674-1467).

NIIN

(2) Second. After finding the figure and item number, verify that the item is the one you1 re looking for, then locate the item number in the repair parts list for the figure.

C-6. ABBREVIATIONS. Not applicable.

TM 9-1005-249-24&P

Section II. REPAIR PARTS LIST

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