COS — Class of Supply Codes

CATAGORIES INTO WHICH SUPPLIES ARE GROUPED IN ORDER TO FACILITATE SUPPLY MANAGEMENT AND PLANNING. IN ACCORDANCE WITH SOCOM DIRECTIVE 700-22 AND DOD 4100.39-M, VOLUME 10, TABLE 167, USSOCOM MATERIEL CATEGORY CODES.

Code values (10)

Code Meaning Definition
0 Class X (10) CLASS X (10). MATERIEL TO SUPPORT NON-MILITARY PROGRAMS
1 Subsistence SUBSISTENCE, INCLUDING GRATUITOUS HEALTH AND WELFARE ITEMS
2 Clothing CLOTHING, SUPPORT ITEMS, ANCILLARY EQUIPMENT AND KITS
3 Petroleum PETROLEUM, OIL, FUELS, GASES, AND CHEMICALS
4 Construction Materials CONSTRUCTION MATERIALS
5 Ammunition AMMUNITION, EXPLOSIVES, FUSES, DETONATORS, MISSILES, AND OTHER ASSOCIATED ITEMS
6 Personal Demand Items PERSONAL DEMAND ITEMS (NON-MILITARY SALES ITEMS)
7 Major End Items/principal Items MAJOR END ITEMS/PRINCIPAL ITEMS. A FINAL COMBINATION OF END PRODUCTS READY FOR INTENDED USE
8 Medical Materiel MEDICAL MATERIEL, INCLUDING MEDICAL-PECULIAR REPAIR PARTS
9 Repair Parts and Components Required for Maintenance of Equipment REPAIR PARTS AND COMPONENTS REQUIRED FOR MAINTENANCE OF EQUIPMENT , EXCLUDING MEDICAL-PECULIAR REPAIR PARTS

About COS

What is COS in FLIS / NSN cataloging?

COS (Class of Supply Codes) cATAGORIES INTO WHICH SUPPLIES ARE GROUPED IN ORDER TO FACILITATE SUPPLY MANAGEMENT AND PLANNING. IN ACCORDANCE WITH SOCOM DIRECTIVE 700-22 AND DOD 4100.39-M, VOLUME 10, TABLE 167, USSOCOM MATERIEL CATEGORY CODES.

What does COS code 0 mean?

COS code 0 means "Class X (10)". CLASS X (10). MATERIEL TO SUPPORT NON-MILITARY PROGRAMS

How many COS codes are there?

The U.S. Defense Logistics Agency defines 10 COS (Class of Supply Codes) code values in the FLIS published code dictionary. Each is listed on this page with its official meaning.

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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