HOW TO LOCATE REPAIR PARTS -820360685

TM 9-1240-375-34&P

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Used on

Code

F39

M17 Fire Control Quadrant

BM3

M17A1 Fire Control Quadrant

F40

M18 Fire Control Quadrant

BM6

M18A1 Fire Control Quadrant

F41

M138 Elbow Telescope

BM5

M138A1 Elbow Telescope

F42

M137 Panoramic Telescope

BH6

M137A2 Panoramic Telescope

BH5

M137A3 Panoramic Telescope

F43

M172 Telescope and Quadrant Mount

BN3

M172A1 Telescope and Quadrant Mount

F44

M171 Telescope and Quadrant Mount

BM4

M171A1 Telescope and Quadrant Mount

Fabrication Instructions. Bulk materials required to manufacture items are listed in the bulk material

functional group of this RPSTL. Part numbers for bulk materials are also referenced in the Description

Column of the line item entry for the item to be manufactured/fabricated. Detailed fabrication instructions

for items source coded to be manufactured or fabricated are found in the appropriate maintenance work

packages of this manual.

Index Numbers. Items which have the word BULK in the figure column will have an index number shown

in the item number column. This index number is a cross-reference between the NSN / P/N work packages

and the bulk material list in the repair parts list work package.

Illustrations List. The illustrations in this RPSTL contain unit authorization items. Illustrations published

in the maintenance portion of this manual that contain unit authorized items also appear in this RPSTL.

HOW TO LOCATE REPAIR PARTS

When NSN or P/Ns Are Not Known.

First. Using the table of contents, determine the assembly group to which the item belongs. This is

necessary since figures are prepared for assembly groups and subassembly groups, and lists are divided into

the same groups.

Second. Find the figure covering the functional group to which the item belongs.

Third. Identify the item on the figure and note the item number(s).

Fourth. Look in the repair parts list work package for the figure and item numbers. The NSNs and part

numbers are on the same line as the associated item numbers.

When NSN Is Known.

First. If you have the NSN, look in the STOCK NUMBER column of the NSN index. The NSN is arranged

in NIIN sequence. Note the figure and item number next to the NSN.

Second. Turn to the figure and locate the item number. Verify that the item is the one you are looking for.

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