1. Purpose and Scope
stocked in and supplied from the
This manual provides a list of repair parts for the M4A1
technical service depot system, and
Outlet Valve Leakage Indicator. It is to be used by
authorized for use at indicated
maintenance and supply personnel as a requisitioning
It contains within appropriate
2. Code "P1" -- Repair parts which are
functional groups, those repair parts authorized for
low mortality parts; procured by
applicable maintenance echelons.
technical services, stocked only in
allowance factors to be used in computing allowance
and supplied from technical service
quantities are included.
key depots, and ,authorized for
installation at indicated maintenance
2. Explanation of Columns
a. Index Number. A number is assigned to each
3. Code "M" -- Repair parts which are
repair part to facilitate indexing and referencing. The
not procured or stocked but are to
numbers are identical to those assigned to the same
be manufactured at indicated
4. Code "X2" -- Repair parts which are
b. S, M, R Code.
Source, maintenance, and
recoverability codes are assigned in accordance with AR
maintenance echelon requiring such
700-18 as follows:
repair parts will attempt to obtain
(1) Source. The source code consists of a
them through cannibalization; if not
number which identifies the technical
obtainable through cannibalization,
service having supply responsibility for the
repair part, and a code symbol which
indicates the source from which the repair
part may be obtained.
(a) Technical services having supply
responsibility are identified by the
code consists of a single letter denoting
following numbers which constitute
the lowest echelon of maintenance
the first element of the source code:
authorized to install or manufacture the
3 -- Chemical Corps
repair parts as follows:
5 -- Corps of Engineers
8 -- Medical Service Corps
(1st and 2nd echelons)
9 -- Ordnance Corps
Maintenance echelons are
10 -- Quartermaster Corps
defined in AR 750-5.
11 -- Signal Corps
F--Field Maintenance (3d echelon).
55 -- Transportation Corps
H--Field Maintenance (4th echelon).
(b) Code symbols indicating the source
D-- Depot Maintenance (5th echelon).
of repair parts are the second
(3) Recoverability Code. The recoverability
element of the source code, and are
code consists of a single letter which
indicates that the responsible technical
1. Code "P" - Repair parts which are
service desires the return of unserviceable
high mortality parts; procured by
repair parts for recovery or salvage.
technical s e r v i c e s,
When no code is indicated in the
recoverability column the part will be