Adjusting Device, Belt-Chain Tens 2990-01-622-4557 NSN 2990-01-622-4557 · NIIN 016224557 · Part number 3991495
Cummins Inc. · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 15434
NSN 2990-01-622-4557 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-622-4557. Manufacturer of record part number: 3991495 .
Also searched as
2990-01-622-4557 ·
2990016224557 ·
NIIN 016224557 ·
01-622-4557 ·
FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 15434 · 3991495 · 5333484 · 12539204
Nearby stock numbers
← 2990-01-622-4553 Adjusting Device, Belt-Chain Tens
·
2990-01-622-5004 Starter, Engine, Spark Ignition →
Features
Adjusting Device,belt-Chain Tens — FSC 2990 2 manufacturer part numbers on file Manufacturer of record: Cummins Inc.
Identification
NSN: 2990-01-622-4557
NIIN: 016224557
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 3991495
Manufacturer: Cummins Inc.
General Description
The Adjusting Device,belt-Chain Tens, cataloged under National Stock Number 2990-01-622-4557, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name Adjusting Device,belt-Chain Tens FSC / FSG 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) Manufacturers Cummins Inc. (CAGE 15434)
Technical Specifications
Parameter Value NSN 2990-01-622-4557 Primary Part Number 3991495 Item Name Adjusting Device,belt-Chain Tens FSC / FSG 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft Manufacturer Cummins Inc. Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N) Criticality Code X
Cross-Reference Index
Part Number Manufacturer
5333484 Cummins Inc. (USA)
3991495 PRIMARY Cummins Inc. (USA)
Reference documents
Reference Meaning
12539204
D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm
No interchangeability data on file.
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
BLOWER ASSEMBLY
2990-00-001-1248
2990-00-001-1248 · Item name not on file
2990-00-001-1250
2990-00-001-1250 · Item name not on file
2990-00-001-2055
2990-00-001-2055 · Item name not on file
2990-00-001-3498
2990-00-001-3498 · Item name not on file
2990-00-001-3520
2990-00-001-3520 · Item name not on file
2990-00-001-3521
2990-00-001-3521 · Item name not on file
2990-00-001-3522
CAP ASSEMBLY,MUFFLE
Frequently Asked Questions
What is NSN 2990-01-622-4557?
NSN 2990-01-622-4557 is a Adjusting Device,belt-Chain Tens, manufactured by Cummins Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-01-622-4557?
NSN 2990-01-622-4557 has 2 manufacturer part numbers on file: 5333484 (Cummins Inc.), 3991495 (Cummins Inc.).
Is NSN 2990-01-622-4557 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.
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