a. When Federal stock number or reference number
is unknown:
(1) First. Find the illustration covering the as-
sembly group to which the repair part belongs.
(2) Second. Identify the repair part on the illus-
tration and note the illustration figure and item num-
ber of the repair part.
(3) Third. Using the Repair Parts Listing, find
the group to which the repair part belongs and lo-
cate the illustration figure and item number noted
on the illustration.
b. When Federal stock number or reference num-
ber is known:
(1) First. Using the Index of Federal Stock
Numbers and Reference Numbers find the pertinent
Federal stock number or reference number. This
index is in ascending FSN sequence followed by a
list of reference numbers is ascending alpha-nume-
ric sequence, cross-referenced to the illustration
figure number and item number.
(2) Second. Using the Repair Part Listing, find
the assembly group of the repair part and the illus-
cation Improvements.
tration figure number and item number referenced
Report of errors, omissions, and recommendations
in the Index of Federal Stock Numbers and Refer-
for improving this publication by the individual user
ence Numbers.
is encouraged. Reports should be submitted on DA
6. Abbreviations
Form 2028 (Recommended Changes to DA Publica-
tions) and forwarded direct to The Commanding
Officer, Frankford Arsenal, ATTN: AMSWE-SMF-
W3100, Philadelphia, Pa. 19137.
