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M111421 — MUFFLER,EXHAUST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M111421: MUFFLER,EXHAUST.

The MUFFLER,EXHAUST is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED, body_shape: ROUND, design_type: DRY, muffler_design: STRAIGHT THROUGH, overall_length: 32.00 INCHES NOMINAL IN, overall_diameter: 11.08 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2990-01-609-8771, 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
M111421
NSN: 2990-01-609-8771
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 18265 — DONALDSON COMPANY, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED
body_shapeROUND
design_typeDRY
muffler_designSTRAIGHT THROUGH
overall_length32.00 INCHES NOMINAL IN
overall_diameter11.08 INCHES NOMINAL IN
inlet_connection_typeUNTHREADED SINGLE INLET
outlet_connection_typeUNTHREADED FIRST OUTLET
end_item_identification2355015590791
part_name_assigned_by_controlling_agencyMUFFLER, EXHAUST
NSN2990-01-609-8771
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MUFFLER,EXHAUST TITLE COMPONENT PN M111421 MFR MUFFLER,EXHAUST
KEY FEATURES
•
DESIGN TYPE: DRY
•
OVERALL DIAMETER: 11.08 INCHES NOMINAL IN
•
MUFFLER DESIGN: STRAIGHT THROUGH
•
INLET CONNECTION TYPE: UNTHREADED SINGLE INLET
•
BODY SHAPE: ROUND
TECHNICAL CHARACTERISTICS
DESIGN TYPEDRY
OVERALL DIAMETER11.08 INCHES NOMINAL IN
OVERALL LENGTH32.00 INCHES NOMINAL IN
MUFFLER DESIGNSTRAIGHT THROUGH
INLET CONNECTION TYPEUNTHREADED SINGLE INLET
BODY SHAPEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYMUFFLER, EXHAUST
END ITEM IDENTIFICATION2355015590791
MATERIALSTEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED
OUTLET CONNECTION TYPEUNTHREADED FIRST OUTLET
OTHER ITEMS IN FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-001-0001 2990-00-001-1248 2990-00-001-1250 2990-00-001-2055 2990-00-001-3498 2990-00-001-3520 2990-00-001-3521 2990-00-001-3522
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 M111421?
M111421 is a MUFFLER,EXHAUST.
What is the NSN for M111421?
M111421 is cataloged in the U.S. Government catalog under NSN 2990-01-609-8771. 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.