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3971077 — MUFFLER,INTAKE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3971077: MUFFLER,INTAKE.

The MUFFLER,INTAKE is a the manufacturer industrial component. Key specifications include end_item_identification: NHA: ENGINE, DIESEL QSB5.9 - 380 GS S026942/S086386, part_name_assigned_by_controlling_agency: SILENCER, AIR. This part is cataloged in the U.S.

Government catalog under NSN 2990-01-540-0283, 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
3971077
NSN: 2990-01-540-0283
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
end_item_identificationNHA: ENGINE, DIESEL QSB5.9 - 380 GS S026942/S086386
part_name_assigned_by_controlling_agencySILENCER, AIR
NSN2990-01-540-0283
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MUFFLER,INTAKE TITLE COMPONENT PN 3971077 MFR MUFFLER,INTAKE
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYSILENCER, AIR
END ITEM IDENTIFICATIONNHA: ENGINE, DIESEL QSB5.9 - 380 GS S026942/S086386
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3971077?
3971077 is a MUFFLER,INTAKE.
What is the NSN for 3971077?
3971077 is cataloged in the U.S. Government catalog under NSN 2990-01-540-0283. 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.