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1121728C2 — MUFFLER,EXHAUST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1121728C2: MUFFLER,EXHAUST.

The MUFFLER,EXHAUST is a the manufacturer industrial component. Key specifications include body_shape: OVAL, design_type: DRY, muffler_design: BAFFLE. This part is cataloged in the U.S.

Government catalog under NSN 2990-01-260-4464, 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
1121728C2
NSN: 2990-01-260-4464
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
body_shapeOVAL
design_typeDRY
muffler_designBAFFLE
baffle_quantity1
NSN2990-01-260-4464
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MUFFLER,EXHAUST TITLE COMPONENT PN 1121728C2 MFR MUFFLER,EXHAUST
KEY FEATURES
•
DESIGN TYPE: DRY
•
BAFFLE QUANTITY: 1
•
MUFFLER DESIGN: BAFFLE
•
BODY SHAPE: OVAL
TECHNICAL CHARACTERISTICS
DESIGN TYPEDRY
BAFFLE QUANTITY1
MUFFLER DESIGNBAFFLE
BODY SHAPEOVAL
OTHER ITEMS IN FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-096-8607 2990-00-390-3445 2990-00-459-7255 2990-00-536-2962 2990-00-903-8226 2990-01-151-5443
SUBSTITUTES & CROSS-REFERENCES 1
1123316C1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 1121728C2?
1121728C2 is a MUFFLER,EXHAUST.
What parts can replace 1121728C2?
There is 1 known substitute for 1121728C2: 1123316C1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1121728C2?
1121728C2 is cataloged in the U.S. Government catalog under NSN 2990-01-260-4464. 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.