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475-6280 — MUFFLER,EXHAUST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

475-6280: MUFFLER,EXHAUST.

The MUFFLER,EXHAUST is a the manufacturer industrial component. Key specifications include special_features: MUFFLER-EXHAUST AIR TOOL, 0.25IN NPT; IN, end_item_identification: ERH412-4301A2. This part is cataloged in the U.S.

Government catalog under NSN 2990-01-646-2485, 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
475-6280
NSN: 2990-01-646-2485
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
special_featuresMUFFLER-EXHAUST AIR TOOL, 0.25IN NPT; IN
end_item_identificationERH412-4301A2
NSN2990-01-646-2485
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MUFFLER,EXHAUST TITLE COMPONENT PN 475-6280 MFR MUFFLER,EXHAUST
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMUFFLER-EXHAUST AIR TOOL, 0.25IN NPT; IN
END ITEM IDENTIFICATIONERH412-4301A2
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 475-6280?
475-6280 is a MUFFLER,EXHAUST.
What is the NSN for 475-6280?
475-6280 is cataloged in the U.S. Government catalog under NSN 2990-01-646-2485. 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.