FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Gear Assy, cataloged under National Stock Number 3020-00-700-4571, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Gear Assy
FSC / FSG
3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Technical Specifications
Parameter
Value
NSN
3020-00-700-4571
Item Name
Gear Assy
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5977-00-729-902721135POSSIBLE MATCH
BRUSH SET,ELECTRICAL CONTACT
Possible match (shared part number)Hyundai Ideal Electric Co.
3110-01-178-611521-135POSSIBLE MATCH
PLATE,RETAINING,BEARING
Possible match (shared part number)Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
4720-01-537-161021135POSSIBLE MATCH
HOSE,PREFORMED
Possible match (shared part number)Gates Corporation
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
21135
3/9Design control — primary reference
Cessna Aircraft Co Arc Avionics Div
Related Parts
5977-00-729-9027POSSIBLE MATCH
BRUSH SET,ELECTRICAL CONTACT
21135
3110-01-178-6115POSSIBLE MATCH
PLATE,RETAINING,BEARING
21-135
4720-01-537-1610POSSIBLE MATCH
HOSE,PREFORMED
21135
Frequently Asked Questions
What is NSN 3020-00-700-4571?
NSN 3020-00-700-4571 is a Gear Assy, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What NSN replaces 3020-00-700-4571?
3 possible matches (shared part number, not a government interchangeability claim): 5977-00-729-9027, 3110-01-178-6115, 4720-01-537-1610. Verify interchangeability with system specifications before substitution.
Is NSN 3020-00-700-4571 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.