CHAPTER 1 STANDARD SUPPLY CODES 1.1 ... - Air Force Link

Code Phrase Explanation
1–108
AFMAN 23-110 Volume 1
Part 4, Chapter 1
X Formerly (FSC) Indicates an FSC change has occurred to the NIIN and
the former FSC is reflected in the related data field of
segment H.
NOTE: Initial P/C reflecting FSC change will appear in
segment Z until effective date of change, then it reverts
to P/C "X" in segment H.
Y Equivalent to NSN Indicates the item has physical and performance characteristics
identical to the item represented by the NSN in
segment H. The items of supply differ only in the unit
quantity and/or unit of issue. Multiple records may be
required.
Z Discontinued-Use (NSN) Indicates the item is to be discontinued and replaced by
the NSN in segment H. Stock will be issued until
exhausted. AAC "N," "V," or "Y" must be submitted/
recorded with this P/C.
3 Inverse of P/C "S" Indicates the item is the (physical) item of production in
an I&S generic relationship. (The generic master NSN
procurement specification appears in segment H).
NOTE: Must be used in combination with P/C "F."
7 Use (NSN) until Exhausted Indicates the item is the preferred replacement item
(master NSN in the I&S family) and is substitutable for
the item(s) in segment H. This replacement item will be
issued when the supply of the replaced item(s) is
exhausted. NOTE: Must be used in combination with
P/C "F."
0 Reversal of P/C “Z” Marine Corps use only
2 Reversal of P/C "H" Marine Corps use only
4 Reversal of P/C "A" Marine Corps use only
5 Reversal of P/C "L" Marine Corps use only
5 Matched components, do not
stock separately
Air Force use only
6 Reversal of P/C "T" Marine Corps use only
6 For initial installation or initial Air Force use only
issue only
8 Reversal of P/C "Q" Marine Corps use only
9 Reversal of P/C "P" Marine Corps use only
9 When exhausted, use NSN Air Force use only