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Technical Data Sheet
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49-666 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

FILTER ELEMENT,INTAKE AIR CLEANE. Key specifications include overall_length: 79.5 MILLIMETERS NOMINAL MM, coating_feature: ALUMINUM, overall_diameter: 76.2 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: RETROREFLECTOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 2915-00-708-2544, 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
49-666
NSN: 2915-00-708-2544
FSC: 2915
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
overall_length79.5 MILLIMETERS NOMINAL MM
coating_featureALUMINUM
overall_diameter76.2 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyRETROREFLECTOR
NSN2915-00-708-2544
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,INTAKE AIR CLEANE TITLE COMPONENT PN 49-666 MFR FILTER ELEMENT,INTAKE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1668181InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
22422InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10463164InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
R0100224InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7422314538InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
193245192InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 49-666?
49-666 is a FILTER ELEMENT,INTAKE AIR CLEANE.
What parts can replace 49-666?
There are 6 known substitutes for 49-666: 1668181, 22422, 10463164 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 49-666?
49-666 is cataloged in the Federal Logistics Information System under NSN 2915-00-708-2544. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026