PartsTable TECHNICAL DATA SHEET
NSN 2920-01-449-3317Government record, cited

Adjusting Device, Belt-Chain Tens2920-01-449-3317

NSN 2920-01-449-3317 · NIIN 014493317 · Part number 3917440
Cummins Inc. · FSC 2920 — Engine Electrical System Components, Nonaircraft · FSG 29 — Engine Accessories · CAGE 15434
Government record, cited
NSN 2920-01-449-3317 — this item is cataloged by the U.S. Government under National Stock Number 2920-01-449-3317. Manufacturer of record part number: 3917440.
Also searched as  2920-01-449-3317 · 2920014493317 · NIIN 014493317 · 01-449-3317 · FSC 2920 Engine Electrical System Components, Nonaircraft · CAGE 15434 · 3917440
Nearby stock numbers  ·
Features
  • Adjusting Device,belt-Chain Tens — FSC 2920
  • 1 manufacturer part number on file
  • Manufacturer of record: Cummins Inc.
Identification
  • NSN: 2920-01-449-3317
  • NIIN: 014493317
  • FSC: 2920 — Engine Electrical System Components, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: 3917440
  • Manufacturer: Cummins Inc.
General Description

The Adjusting Device,belt-Chain Tens, cataloged under National Stock Number 2920-01-449-3317, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2920-01-449-3317
Primary Part Number3917440
Item NameAdjusting Device,belt-Chain Tens
FSC / FSG2920 / 29 — Engine Electrical System Components, Nonaircraft
ManufacturerCummins Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
3917440 PRIMARY Cummins Inc. (USA)
No interchangeability data on file.
Other items in FSC 2920 — Engine Electrical System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2920-00-003-5173
2920-00-003-5173 · Item name not on file
2920-00-005-1596
2920-00-005-1596 · Item name not on file
2920-00-035-6718
2920-00-035-6718 · Item name not on file
2920-00-158-2674
REGULATOR,ENGINE GENERATOR
2920-00-255-4938
REGULATOR,ENGINE GENERATOR
2920-00-424-3259
PLATE ASSEMBLY,SEAL
2920-00-424-3259
PLATE ASSEMBLY,SEAL
2920-00-424-3259
PLATE ASSEMBLY,SEAL

Frequently Asked Questions

What is NSN 2920-01-449-3317?

NSN 2920-01-449-3317 is a Adjusting Device,belt-Chain Tens, manufactured by Cummins Inc., classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.

What part numbers are listed for NSN 2920-01-449-3317?

NSN 2920-01-449-3317 has 1 manufacturer part number on file: 3917440 (Cummins Inc.).

What are the specifications of 3917440?

Key specifications for 3917440: End Item Identification: ALTERNATOR DRIVE EH9990, DIESEL MOTOR 6B5.9. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2920-01-449-3317 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
PartsTable Design LLC · partstable.com