(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:
F - The lowest maintenance level capable of complete repair of the support item is the direct support level.
H - The lowest maintenance level capable of complete repair of the support item is the general support level.
D - The lowest maintenance level capable of complete repair of the support item is the depot level.
Z - Nonreparable. No repair is authorized.
(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:
Z - Nonreparable item. When unserviceable, condemn and dispose at the level indicated in position 3.
F - Reparable item. When uneconomically reparable, condemn and dispose at the direct support level.
H - Reparable item. When uneconomically reparable, condemn and dispose at the general support level.
D - Reparable item. When beyond lower level repair capability, return to depot. Condemnation and disposal not
authorized below depot level.
L - Reparable item. Repair, condemnation, and disposal not authorized below depot/specialized repair activity level.
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
c. National Stock Number.
Indicates the National stock number assigned to the item and will be used for
d. Part Number. 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.