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20MD52C — DUCT ASSEMBLY,AIR CONDITIONING-H

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

20MD52C: DUCT ASSEMBLY,AIR CONDITIONING-H.

DUCT ASSEMBLY,AIR CONDITIONING-H. Key specifications include material: PLASTIC, special_features: FRESH AIR/HEATER DUCT FOR MACK TRUCKS. This part is cataloged in the U.S.

Government catalog under NSN 2540-01-554-8939, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
20MD52C
NSN: 2540-01-554-8939
FSC: 2540 — Vehicular Furniture and Accessories
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
materialPLASTIC
special_featuresFRESH AIR/HEATER DUCT FOR MACK TRUCKS
NSN2540-01-554-8939
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DUCT ASSEMBLY,AIR CONDITIONING-H TITLE COMPONENT PN 20MD52C MFR DUCT ASSEMBLY,AIR COND
KEY FEATURES
•
COLOR: BLACK
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
COLORBLACK
SPECIAL FEATURESFRESH AIR/HEATER DUCT FOR MACK TRUCKS
MATERIALPLASTIC
OTHER ITEMS IN FSC 2540 — Vehicular Furniture and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2540-00-001-2045 2540-00-001-3392 2540-00-001-3467 2540-00-001-3534 2540-00-001-3535 2540-00-001-3536 2540-00-001-3537 2540-00-001-3538
SUBSTITUTES & CROSS-REFERENCES 1
25191612Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20MD52C?
20MD52C is a DUCT ASSEMBLY,AIR CONDITIONING-H.
What parts can replace 20MD52C?
There is 1 known substitute for 20MD52C: 25191612. Substitute compatibility should be verified for your specific system.
What is the NSN for 20MD52C?
20MD52C is cataloged in the U.S. Government catalog under NSN 2540-01-554-8939. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.