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021-00055 — DRIER,AIR-GAS,DESICCANT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

021-00055: DRIER,AIR-GAS,DESICCANT.

The DRIER,AIR-GAS,DESICCANT is a the manufacturer industrial component. Key specifications include end_item_identification: 4120-01-581-2650, part_name_assigned_by_controlling_agency: FILTER DRYER. This part is cataloged in the U.S.

Government catalog under NSN 4440-01-600-6539, 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
021-00055
NSN: 4440-01-600-6539
FSC: 4440 — Driers, Dehydrators, and Anhydrators
CAGE: 0WJE1 — HDT EXPEDITIONARY SYSTEMS INC (USA)
SPECIFICATIONS
end_item_identification4120-01-581-2650
part_name_assigned_by_controlling_agencyFILTER DRYER
NSN4440-01-600-6539
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DRIER,AIR-GAS,DESICCANT TITLE COMPONENT PN 021-00055 MFR DRIER,AIR-GAS,DESICCAN
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYFILTER DRYER
END ITEM IDENTIFICATION4120-01-581-2650
OTHER ITEMS IN FSC 4440 — Driers, Dehydrators, and Anhydrators
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4440-00-001-6294 4440-00-001-6296 4440-00-005-5084 4440-00-006-0073 4440-00-007-2318 4440-00-008-4864 4440-00-009-4422 4440-00-009-5282
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 021-00055?
021-00055 is a DRIER,AIR-GAS,DESICCANT.
What is the NSN for 021-00055?
021-00055 is cataloged in the U.S. Government catalog under NSN 4440-01-600-6539. 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.