This manual lists repair parts required for the
performance of direct support, general support, and
depot maintenance of the Periscope M37.
This Repair Parts List is divided into the following
for the performance of maintenance at the direct sup-
port, general support, and depot level in figure and
item number sequence.
b. Special Tools, Test and Support Equipment-
(2) Maintenance code, indicates the lowest cate-
Section III. Not applicable.
gory of maintenance authorized to install the listed
c. Federal Stock Number and Reference Number
item. The maintenance level codes are:
ascending numerical sequence followed by a list of
reference numbers in ascending alpha-numeric seq-
uence, cross-referenced to the illustration figure and
The following provides an explanation of columns
a. Source Maintenance and Recoverability Codes
(SMR), Column I:
(1) Source code, indicates the selection status
and source for the listed item. Source codes are:
b. Federal Stock Number, Column 2. This column
indicates the Federal Stock number assigned to the
item and will be used for requisitioning purposes.
c. Description, Column 3. This column indicates
the Federal item name and any additional description
of the item required. A part number or other refer-
ence number is followed by the applicable five-digit
Federal supply code for manufacturers in paren-
d. Unit of Measure (U/M), Column 4. A 2 character
alphabetic abbreviation indicating the amount or
quantity of the item upon which the allowances are
based, e.g., ft. ea. pr, etc.
e. Quantity Incorporated in Unit, Column 5. This
column indicates the quantity of the item used in the
assembly group. A "V" appearing in this column in
lieu of a quantity indicates that a definite quantity
cannot be indicated (e.g., shims, spacers, etc.).
f. 30-day DS/GS Maintenance Allowances, Col-
umms 6, and 7.
NOTE: Allowances in GS column are for GS maintenance only.
(1) The allowance columns are divided into three
subcolumns. Indicated in each subcolumn, opposite
the first appearance of each item, is the total quan-