PartsTable TECHNICAL DATA SHEET
NSN 3020-01-032-5185Government record, cited

Ring Gear3020-01-032-5185

NSN 3020-01-032-5185 · NIIN 010325185 · Part number 6859217
Rolls-Royce Corporation · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 63005
Government record, cited
NSN 3020-01-032-5185 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-032-5185. Manufacturer of record part number: 6859217.
Also searched as  3020-01-032-5185 · 3020010325185 · NIIN 010325185 · 01-032-5185 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 63005 · 6859217
Nearby stock numbers  ·
Features
  • Ring Gear — FSC 3020
  • 1 manufacturer part number on file
  • Manufacturer of record: Rolls-Royce Corporation
Identification
  • NSN: 3020-01-032-5185
  • NIIN: 010325185
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 6859217
  • Manufacturer: Rolls-Royce Corporation
General Description

The Ring Gear, cataloged under National Stock Number 3020-01-032-5185, 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 Rolls-Royce Corporation. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications
ParameterValue
NSN3020-01-032-5185
Primary Part Number6859217
Item NameRing Gear
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerRolls-Royce Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeF
Cross-Reference Index
Part NumberManufacturer
6859217 PRIMARY Rolls-Royce Corporation (USA)
Reference documents
ReferenceMeaning
6859217 5/9 Secondary reference
Allison Transmission Inc Dba Allison Transmission, Inc
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 3020-01-032-5185?

NSN 3020-01-032-5185 is a Ring Gear, manufactured by Rolls-Royce Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-032-5185?

NSN 3020-01-032-5185 has 1 manufacturer part number on file: 6859217 (Rolls-Royce Corporation).

What are the specifications of 6859217?

Key specifications for 6859217: End Item Identification: T56 ENGINE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-032-5185 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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