D1-5. Location of Repair Parts.
a. This manual contains two cross reference indexes (sect. VII and sect. VIII to be used to locate a repair part when
either the Federal stock number, reference number (manufacturer's part number), or reference designation is known.
The first column in the index is prepared in numerical and/or alphanumeric sequence in ascending order.
Where a Federal stock number is not listed, refer to the reference number (manufacturer's part numbers)
immediately following the Federal stock numbers.
b. When the Federal stock number is known, follow the procedures given in (1) and (2) below.
(1) Refer to the index of Federal stock numbers (sect. VII) and locate the Federal stock number. The FSN is
cross-referenced to the applicable figure and reference designation.
(2) When the reference designation is determined, refer to the reference designation index (sect. VIII. The
reference designations are listed in alphanumeric ascending order and are cross referenced to the page number on which
they appear in the repair parts list (sect. III and/or sect. V). Refer to the page number noted in the index and locate the
reference designation in the repair parts list (col. 7b, Repair Parts for Organizational Maintenance or col. 10b, Repair
Parts for Direct Support, General Support, and Depot Maintenance). If the word "REF" appears in the allowance column
for the repair part, note the Federal stock number (col. 2) or manufacturer's part number (col. 3). Refer to the FSN
index and note the reference designation for that FSN or part number. Refer to the reference designation index and note
the page number given for the reference designation. Refer to the page noted in the RPSTL (sect. m or sect. V) and
locate the reference designation in column 7b, Repair Parts for Organizational Maintenance or column 10b, Repair Parts
for Direct Support, General Support, and Depot Maintenance of the repair parts list.
c. When the reference designation is known, follow the procedures given in b(2) above.
d. When neither the FSN nor reference designation is known, identify the part in the illustration and follow directions
given in c above, or scrutinize column 3 of the repair parts lists (sect. HI and sect. V).
D-2.4
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