b. When National Stock Numbers Part Number is Known.
(1). First. Using the of National Stock Number and Part Number Indexes find the pertinent National
Stock Number or Part Number. The NSN index is in National Item identification Number (NIIN) sequence (see
paragraph 4.a.). The part numbers in the Part Number index are listed in ascending alphanumeric sequence (see
Both indexes cross-reference you to the illustration/figure and item number of the item you are
looking for. Note the figure and item number next to the NSN/part number.
(2). Seconod. Turn to the figure and item number, verify that the item is the one you are looking for, then
locate the item number in the repair parts list for the figure.
Basis Of Issue
Commercial And Government Entity Code
Maintenance Allocation Chart
National Item Identification Number (Consists of the last 9 digits of the NSN.)
National Stock Number
Repair Parts and Special Tools List
Source, Maintenance and Recoverability
Test, Measurement and Diagnostic Equipment
Usable On Code
Water Quality Analysis Set - Preventive Medicine
C-6 Change 1