Maintenance Code - TM-55-4920-425-13-P0051

TM 55-4920-425-13-13&P

Code

Definition

An item of a maintenance kit and not purchased separately. Maintenance kit defined as a kit that

provides an item that can be replaced at Aviation Unit or Aviation Intermediate levels of maintenance.

Item included in both a depot overhaul/repair kit and a maintenance kit procured on demand.

Item to be manufactured or fabricated at the Aviation Unit Maintenance level.

Item to be manufactured or fabricated at the Aviation Intermediate maintenance level.

Item to be manufactured or fabricated at the depot maintenance level.

Item to be assembled at the Aviation Unit Maintenance level.

Item to be assembled at the Aviation Intermediate Maintenance level.

Item to be assembled at depot maintenance level.

Item is not procured or stocked because the requirements for the item will result in the replacement of

the next higher assembly.

Item is not procured or stocked. If not available through salvage, requisition.

A support item that is not stocked. When required, item will be procured through normal supply

channels.

Installation drawing, diagram, instruction sheet, field service drawing, that is identified by

manufacturer's part number.

NOTE

Cannibalization or salvage may be used as a source of supply for any items source coded

above except those coded XA and aircraft support items as restricted by AR 700-42.

(2) Maintenance Code. Maintenance codes are assigned to indicate the levels of maintenance authorized to

USE and REPAIR support items. The maintenance codes are entered in the third and fourth positions of the Uniform

SMR Code format as follows:

(a) The maintenance code entered in the third position will indicate the lowest maintenance C-2 level

authorized to remove, replace and use the support item. The maintenance code entered in the third position will indicate

one of the following levels of maintenance:

Code

Application/Explanation

Support item is removed, replaced, used at the Aviation Unit Maintenance level.

Support item is removed, replaced, used at the Aviation Intermediate Maintenance level.

Support items that are removed, replaced, used at depot, mobile depot, specialized repair activity only.

(b) The maintenance code entered in the fourth position indicates whether the item is to be repaired and

identifies the lowest maintenance level with the capability to perform complete repair (i.e., all authorized maintenance

functions). This position will contain one of the following maintenance codes:

Code

Application/Explanation

The lowest maintenance level capable of complete repair of the support item is the Aviation Unit

Maintenance level.

The lowest maintenance level capable of complete repair of the support item is the Aviation

Intermediate Maintenance level.

The lowest maintenance level capable of complete repair of the support item is the depot level.

Repair restricted to designated specialized repair activity.

Nonreparable. No repair is authorized.

No repair is authorized. The item may be reconditioned by adjusting, lubricating, etc., at the user level.

No parts or special tools are procured for the maintenance of this item.

(3) Recoverability Code. Recoverability codes are assigned to support items to indicate the disposition action

on unserviceable items. The recoverability code is entered in the fifth position of the Uniform SMR Code format as

follows:

Code

Application/Explanation

Nonreparable item. When unserviceable, condemn and dispose at the level indicated in position 3.

C-2