This manual lists repair parts and special tools required for performance of direct support and general support
maintenance of the J-2317/U and J-2317A/U.
This Repair Parts and Special Tools List is divided into the following sections:
a. Section II. Basic Issue Items List. Not applicable.
b. Section III. Items Troop Installed or Authorize List. Not applicable.
c. Section IV. Repair Parts List. A list of repair parts authorized for use in the performance of
maintenance. The list also includes parts which must be removed for replacement of the authorized parts. Par
lists are composed of functional groups in ascending numerical sequence, with the parts in each group listed in
figure and item number sequence.
d. Section V. Special Tools List. Not applicable.
e. Section VI. National Stock Number and Part Number Index. A list, in ascending National item
identification number (NIIN, last 9 digits) sequence, of all National stock numbers appearing in the listings, fol
lowed by a list, in alphameric sequence, of all part numbers appearing in the listings. National stock number
and part numbers are cross-referenced to each illustration figure and item number appearance.
3. Explanation of Columns
The following provides an explanation of columns found in the tabular listings:
a. Illustration. This column is divided as follows:
(1) Figure number. Indicates the figure number of the illustration in which the item is shown.
(2) Item number. The number used to identify each item called out in the illustration.
b. Source, Maintenance, and Recoverability Code (SMR)
(1) Source code. Source codes are assigned to support items to indicate the manner of acquiring
support items for maintenance, repair, or overhaul of end items. Source codes are entered in the first and
second positions of the Uniform SMR Code format as follows:
PA-- Item procured and stocked for anticipated or known usage.
XD-- A support item that is not stocked. When required, item will be procured through normal supply channels.
Cannibalization or salvage may be used as a source of supply for any items
source coded above except those coded XA, XD, 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 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:
F-- Support item is removed, replaced, used at the direct support level.
(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.
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.