SPECIAL PACKAGING INSTRUCTION (SPI) REVISION: A ONE POSITION ALPHA CODE THAT IDENTIFIES THE VERSION OF THE SPI. CODE BEGINS WITH THE LETTER A FOR THE FIRST REVISION, THEN PROCEEDING THROUGH THE ALPHABET FOR EACH SUCCEEDING REVISION. THE LETTERS I, O, Q, S, X AND Z SHALL NOT BE USED. IN ACCORDANCE WITH DOD 4100.39-M, VOLUME 10, TABLE 182 AND MIL-STD-2073-1E, APPENDIX E, TABLE E.IV.
Governing regulation: /N HTTPS://QUICKSEARCH.DLA.MIL/QSSEARCH.ASPX
This is a free-text or numeric FLIS field — it has no enumerated code values. The definition above is its official cataloging meaning.
About SPI_REV
What is SPI_REV in FLIS / NSN cataloging?
SPI_REV (Special Packaging Instruction Revision) sPECIAL PACKAGING INSTRUCTION (SPI) REVISION: A ONE POSITION ALPHA CODE THAT IDENTIFIES THE VERSION OF THE SPI. CODE BEGINS WITH THE LETTER A FOR THE FIRST REVISION, THEN PROCEEDING THROUGH THE ALPHABET FOR EACH SUCCEEDING REVISION. THE LETTERS I, O, Q, S, X AND Z SHALL NOT BE USED. IN ACCORDANCE WITH DOD 4100.39-M, VOLUME 10, TABLE 182 AND MIL-STD-2073-1E, APPENDIX E, TABLE E.IV.
Last updated 2026-05-26. Published by DAITK™ against the U.S. Defense Logistics Agency (DLA) FLIS code dictionary, governed by DoD 4100.39-M (Federal Logistics Information System Procedures Manual).
The authoritative FLIS code dictionary published by DAITK™ — every cataloging field and value code, defined verbatim against the U.S. Defense Logistics Agency (DLA) FLIS standard, governed by DoD 4100.39-M. Authorized reference data, reproduced with attribution, not scraped.
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