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46669760 — MUFFLER,EXHAUST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

46669760: MUFFLER,EXHAUST.

The MUFFLER,EXHAUST is a the manufacturer industrial component. Key specifications include material: STEEL LOCATION NOT OTHERWISE SPECIFIED, design_type: DRY, coolant_type: AIR, inlet_location: LOCATED ON SIDE OF BODY, muffler_design: STRAIGHT THROUGH W/BAFFLE, overall_length: 30.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2990-00-004-8351, 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
46669760
NSN: 2990-00-004-8351
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 91394 — LUCAS WESTERN INC MINING MACHINERY DIV (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
design_typeDRY
coolant_typeAIR
inlet_locationLOCATED ON SIDE OF BODY
muffler_designSTRAIGHT THROUGH W/BAFFLE
overall_length30.000 INCHES NOMINAL IN
baffle_quantity1
outlet_locationCENTERED ON END OF BODY
overall_diameter8.500 INCHES NOMINAL IN
operating_positionUNIVERSAL
inlet_inside_diameter0.025 INCHES NOMINAL SINGLE INLET IN
outlet_inside_diameter3.745 INCHES NOMINAL FIRST OUTLET IN
NSN2990-00-004-8351
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MUFFLER,EXHAUST TITLE COMPONENT PN 46669760 MFR MUFFLER,EXHAUST
KEY FEATURES
•
OPERATING POSITION: UNIVERSAL
•
INLET LOCATION: LOCATED ON SIDE OF BODY
•
COOLANT TYPE: AIR
•
DESIGN TYPE: DRY
•
OVERALL DIAMETER: 8.500 INCHES NOMINAL IN
•
OUTLET INSIDE DIAMETER: 3.745 INCHES NOMINAL FIRST OUTLET IN
•
BAFFLE QUANTITY: 1
TECHNICAL CHARACTERISTICS
OPERATING POSITIONUNIVERSAL
INLET LOCATIONLOCATED ON SIDE OF BODY
COOLANT TYPEAIR
DESIGN TYPEDRY
OVERALL DIAMETER8.500 INCHES NOMINAL IN
OUTLET INSIDE DIAMETER3.745 INCHES NOMINAL FIRST OUTLET IN
BAFFLE QUANTITY1
OVERALL LENGTH30.000 INCHES NOMINAL IN
MUFFLER DESIGNSTRAIGHT THROUGH W/BAFFLE
INLET INSIDE DIAMETER0.025 INCHES NOMINAL SINGLE INLET IN
SUBSTITUTES & CROSS-REFERENCES 2
8165Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
ABT8165Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 46669760?
46669760 is a MUFFLER,EXHAUST.
What parts can replace 46669760?
There are 2 known substitutes for 46669760: 8165, ABT8165. Substitute compatibility should be verified for your specific system.
What is the NSN for 46669760?
46669760 is cataloged in the U.S. Government catalog under NSN 2990-00-004-8351. 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.