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D6438 — DEHYDRATOR UNIT,NONREACTIVATING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

D6438: DEHYDRATOR UNIT,NONREACTIVATING.

DEHYDRATOR UNIT,NONREACTIVATING. Key specifications include body_overall_width: 29.500 INCHES NOMINAL IN, body_overall_height: 56.000 INCHES NOMINAL IN, body_overall_length: 23.500 INCHES NOMINAL IN, end_item_identification: DEHYRATOR FILTER CONDENSER. This part is cataloged in the U.S.

Government catalog under NSN 4440-01-375-0953, 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
D6438
NSN: 4440-01-375-0953
FSC: 4440 — Driers, Dehydrators, and Anhydrators
CAGE: 22501 — HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC (USA)
SPECIFICATIONS
body_overall_width29.500 INCHES NOMINAL IN
body_overall_height56.000 INCHES NOMINAL IN
body_overall_length23.500 INCHES NOMINAL IN
end_item_identificationDEHYRATOR FILTER CONDENSER
NSN4440-01-375-0953
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DEHYDRATOR UNIT,NONREACTIVATING TITLE COMPONENT PN D6438 MFR DEHYDRATOR UNIT,NONREA
KEY FEATURES
•
BODY OVERALL LENGTH: 23.500 INCHES NOMINAL IN
•
BODY OVERALL HEIGHT: 56.000 INCHES NOMINAL IN
•
BODY OVERALL WIDTH: 29.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BODY OVERALL LENGTH23.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONDEHYRATOR FILTER CONDENSER
BODY OVERALL HEIGHT56.000 INCHES NOMINAL IN
BODY OVERALL WIDTH29.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
5295 MK IIISame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6344Same 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 D6438?
D6438 is a DEHYDRATOR UNIT,NONREACTIVATING.
What parts can replace D6438?
There are 2 known substitutes for D6438: 5295 MK III, 6344. Substitute compatibility should be verified for your specific system.
What is the NSN for D6438?
D6438 is cataloged in the U.S. Government catalog under NSN 4440-01-375-0953. 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.