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3921277 — CONTROL BOX,ELECTRICAL,VEHICULAR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3921277: CONTROL BOX,ELECTRICAL,VEHICULAR.

CONTROL BOX,ELECTRICAL,VEHICULAR. Key specifications include special_features: W/MOUNTING HOLES TO ACCOMMODATE 4 HEX HEAD SCREWS, 1/4-20 X 1.00 IN. IN, general_characteristics_item_description: 12 VOLT,AIR HEATER.

This part is cataloged in the U.S. Government catalog under NSN 2540-01-394-2688, 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
3921277
NSN: 2540-01-394-2688
FSC: 2540 — Vehicular Furniture and Accessories
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
special_featuresW/MOUNTING HOLES TO ACCOMMODATE 4 HEX HEAD SCREWS, 1/4-20 X 1.00 IN. IN
general_characteristics_item_description12 VOLT,AIR HEATER
NSN2540-01-394-2688
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONTROL BOX,ELECTRICAL,VEHICULAR TITLE COMPONENT PN 3921277 MFR CONTROL BOX,ELECTRICAL
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 12 VOLT,AIR HEATER
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION12 VOLT,AIR HEATER
SPECIAL FEATURESW/MOUNTING HOLES TO ACCOMMODATE 4 HEX HEAD SCREWS, 1/4-20 X 1.00 IN. IN
OTHER ITEMS IN FSC 2540 — Vehicular Furniture and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2540-00-001-2045 2540-00-001-3392 2540-00-001-3467 2540-00-001-3534 2540-00-001-3535 2540-00-001-3536 2540-00-001-3537 2540-00-001-3538
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 3921277?
3921277 is a CONTROL BOX,ELECTRICAL,VEHICULAR.
What is the NSN for 3921277?
3921277 is cataloged in the U.S. Government catalog under NSN 2540-01-394-2688. 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.