PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

112121-1Gear Cluster

Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division · NSN 3020-01-241-4287 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-241-4287 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-241-4287. Primary manufacturer part number: 112121-1.
Features
  • Gear Cluster — FSC 3020
  • 3 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Cluster, cataloged under National Stock Number 3020-01-241-4287, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear Cluster
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersEaton Aerospace Llc Ed and C West Div (CAGE 99145); Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (CAGE 17472)
Technical Specifications
ParameterValue
NSN3020-01-241-4287
Primary Part Number112121-1
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2915-00-333-8091112-121 INTERCHANGEABLE
Baffle Assy
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
4320-01-321-47691121-21 INTERCHANGEABLE
Impeller,special
Rotron Incorporated
2040-01-567-0633112121 INTERCHANGEABLE
Cover,boat
Shield Technologies Corp Div Shield Technologies Corporation
Cross-Reference Index
Part NumberManufacturer
112121-1 Eaton Aerospace Llc Ed and C West Div (USA)
112121 Eaton Aerospace Llc Ed and C West Div (USA)
112121-1 PRIMARY Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA)
Related Parts
2915-00-333-8091INTERCHANGEABLE
BAFFLE ASSY
112-121
4320-01-321-4769INTERCHANGEABLE
IMPELLER,SPECIAL
1121-21
2040-01-567-0633INTERCHANGEABLE
COVER,BOAT
112121

Frequently Asked Questions

What is NSN 3020-01-241-4287?

NSN 3020-01-241-4287 is a Gear Cluster, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-241-4287?

NSN 3020-01-241-4287 has 3 cross-referenced part numbers: 112121-1 (Eaton Aerospace Llc Ed and C West Div), 112121 (Eaton Aerospace Llc Ed and C West Div), 112121-1 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).

What NSN replaces 3020-01-241-4287?

There are 3 known substitutes for 3020-01-241-4287: 2915-00-333-8091, 4320-01-321-4769, 2040-01-567-0633. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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