THK — Thickness of Cushioning or Dunnage

THICKNESS OF CUSHIONING OR DUNNAGE CODE: A ONE POSITION ALPHANUMERIC CODE THAT IDENTIFIES THE MINIMUM THICKNESS OF MATERIAL USED TO CUSHION THE ITEM. IN ACCORDANCE WITH DOD 4100.39-M, VOLUME 10, TABLE 182 AND MIL-STD-2073-1E, APPENDIX J, TABLE J.VI.

Governing regulation: /N HTTPS://QUICKSEARCH.DLA.MIL/QSSEARCH.ASPX

Code values (23)

Code Meaning Definition
0 Numeric NOT APPLICABLE.
A 1/4 Inch 1/4 INCH THICK.
B 1/2 Inch 1/2 INCH THICK.
C 3/4 Inch 3/4 INCH THICK.
D 1 Inch 1 INCH THICK.
E 1-1/4 Inch 1-1/4 INCH THICK.
F 1-1/2 Inch 1-1/2 INCH THICK.
G 1-3/4 Inch 1-3/4 INCH THICK.
H 2 Inches 2 INCHES THICK.
J 2-1/4 Inches 2-1/4 INCHES THICK.
K 2-1/2 Inches 2-1/2 INCHES THICK.
L 2-3/4 Inches 2-3/4 INCHES THICK.
M 3 Inches 3 INCHES THICK.
N 3-1/4 Inches 3-1/4 INCHES THICK.
P 3-1/2 Inches 3-1/2 INCHES THICK.
Q 3-3/4 Inches 3-3/4 INCHES THICK.
R 4 Inches 4 INCHES THICK.
S 4-1/4 Inches 4-1/4 INCHES THICK.
T 4-1/2 Inches 4-1/2 INCHES THICK.
U 4-3/4 Inches 4-3/4 INCHES THICK.
V 5 Inches 5 INCHES THICK.
W 5-1/4 Inches 5-1/4 INCHES THICK.
Z Special Requirements SPECIAL REQUIREMENTS. SEE SPECIFIC INSTRUCTIONS OR DRAWINGS PROVIDED.

About THK

What is THK in FLIS / NSN cataloging?

THK (Thickness of Cushioning or Dunnage) tHICKNESS OF CUSHIONING OR DUNNAGE CODE: A ONE POSITION ALPHANUMERIC CODE THAT IDENTIFIES THE MINIMUM THICKNESS OF MATERIAL USED TO CUSHION THE ITEM. IN ACCORDANCE WITH DOD 4100.39-M, VOLUME 10, TABLE 182 AND MIL-STD-2073-1E, APPENDIX J, TABLE J.VI.

What does THK code 0 mean?

THK code 0 means "Numeric". NOT APPLICABLE.

How many THK codes are there?

The U.S. Defense Logistics Agency defines 23 THK (Thickness of Cushioning or Dunnage) 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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