TM-9-2320-272-34P-1
TRUCK, 5-TON, 6X6, M939 AND M939A1 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT MAINTENANCE REPAIR PARTS); VOLUME 1 OF 2
MAY 1988
TM-9-2320-272-34P-1 - Page 18 of 1116
TM 9-2320-272-34P-1
(b) The maintenance code entered in the fourth position tells whether or not the item is to be
repaired and identifies the lowest maintenance level 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 level of
maintenance, if authorized by the Maintenance Allocation Chart (MAC) and SMR codes.) This position will
contain one of the following maintenance codes:
Code
O
F
H
L
D
Z
B
Application/Explanation
-Organizational is the lowest level that can do complete repair of the item.
-Direct support is the lowest level that can do complete repair of the item.
-General support is the lowest level that can do complete repair of the item.
-Specialized repair activity (designate the specialized repair activity) is the lowest
level that can do complete repair of the item.
-Depot is the lowest level that can do complete repair of the item.
-Nonreparable. No repair is authorized.
-No repair is authorized. (No Darts or special tools are authorized for the
maintenance of a "B" coded item.) However, the item maybe reconditioned by
adjusting, lubricating, etc., at the user level.
(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
Z
O
F
H
D
L
A
Application/Explanation
-Nonreparable item. When unserviceable, condemn and dispose of the item at the
level of maintenance shown in 3d position of SMR code.
-Reparable item. When uneconomically reparable, condemn and dispose of the
item at organizational level.
-Reparable item. When uneconomically reparable, condemn and dispose of the
item at the direct support level.
-Reparable item. When uneconomically reparable, condemn and dispose of the
item at the general support level.
-Reparable item. When beyond lower level repair capability, return to depot.
Condemnation and disposal of item not authorized below depot level.
-Reparable item. Condemnation and disposal not authorized below specialized
repair activity (SRA).
-Item requires special handling or condemnation procedures because of specific
reasons (e.g., 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)).
List the National Stock Number (NSN) assigned to the item. Use
the NSN for requests/requisitions.
d. Part Number (Column (4)).
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.
e. FSCM (Column (5)).
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.
NOTE
When you use a NSN to requisition an item, the item you receive
may have a different part number from the part ordered.
f. Description and Usable on Codes (UOC) (Column (6)).
This column includes the following information:
(1)
The Federal item name and, when required, a minimum description to identify the item.
(2)
Items that are included in kits and sets are listed below the name of the kit or set.
3
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