PartsTable TECHNICAL DATA SHEET
NSN 3020-01-166-4518Government record, cited

Gear, Helical3020-01-166-4518

NSN 3020-01-166-4518 · NIIN 011664518 · Part number 6893672
Allison Transmission Inc Dba Allison Transmission, Inc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 73342
Government record, cited
NSN 3020-01-166-4518 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-166-4518. Manufacturer of record part number: 6893672.
Also searched as  3020-01-166-4518 · 3020011664518 · NIIN 011664518 · 01-166-4518 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 73342 · 6893672
Nearby stock numbers  ·
Features
  • Gear,helical — FSC 3020
  • 1 manufacturer part number on file
  • Manufacturer of record: Allison Transmission Inc Dba Allison Transmission, Inc
Identification
  • NSN: 3020-01-166-4518
  • NIIN: 011664518
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 6893672
  • Manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc
General Description

The Gear,helical, cataloged under National Stock Number 3020-01-166-4518, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, 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.

Catalog Facts
Item NameGear,helical
FSC / FSG3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
ManufacturersAllison Transmission Inc Dba Allison Transmission, Inc (CAGE 73342)
Technical Specifications
ParameterValue
NSN3020-01-166-4518
Primary Part Number6893672
Item NameGear,helical
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeF
Cross-Reference Index
Part NumberManufacturer
6893672 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
No interchangeability data on file.
Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091
GEAR,SPUR
3020-00-001-0027
3020-00-001-0027 · Item name not on file
3020-00-001-0028
3020-00-001-0028 · Item name not on file
3020-00-001-0063
3020-00-001-0063 · Item name not on file
3020-00-001-0064
3020-00-001-0064 · Item name not on file
3020-00-001-0066
3020-00-001-0066 · Item name not on file
3020-00-001-0071
3020-00-001-0071 · Item name not on file
3020-00-001-0072
3020-00-001-0072 · Item name not on file

Frequently Asked Questions

What is NSN 3020-01-166-4518?

NSN 3020-01-166-4518 is a Gear,helical, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-166-4518?

NSN 3020-01-166-4518 has 1 manufacturer part number on file: 6893672 (Allison Transmission Inc Dba Allison Transmission, Inc).

Is NSN 3020-01-166-4518 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.

What is the DEMIL code for NSN 3020-01-166-4518?

NSN 3020-01-166-4518 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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