PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3521Gear Cam Assembly

Kearflex Engineering Company · NSN 3020-01-025-8276 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-025-8276 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-025-8276. Primary manufacturer part number: 3521.
Features
  • Gear Cam Assembly — FSC 3020
  • 1 verified cross-reference
  • Primary manufacturer: Kearflex Engineering Company
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Cam Assembly, cataloged under National Stock Number 3020-01-025-8276, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Kearflex Engineering Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-025-8276
Primary Part Number3521
Item NameGear Cam Assembly
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerKearflex Engineering Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6510-00-054-72567000030208 INTERCHANGEABLE
Skin Closure,adhesive,surgical
Solventum Us Llc
3110-00-100-5842108-109-6PC487 INTERCHANGEABLE
Bearing,roller,tapered
Struthers Wells Corp
5120-00-104-55596-76070-1 INTERCHANGEABLE
Wrench,orifice
Northrop Grumman Systems Corporation
4820-00-200-0664CFA40614 INTERCHANGEABLE
Valve,globe
Curtis Dyna-Fog, Ltd.
5306-00-218-143635-21 INTERCHANGEABLE
Bolt,shoulder
Dresser Industries Inc Leroi Div
4730-00-867-90283521 INTERCHANGEABLE
Adapter Bushing
Coffin Turbo Pump Inc
5935-00-899-36693521-C INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5950-00-910-93186140026-12 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
4920-00-918-49593-5-2-1 INTERCHANGEABLE
Lift Pin
Celtech Corporation Div Use CAGE 65552 for All Orders
3010-01-068-786835-21 INTERCHANGEABLE
Plate Reducer
Cone Drive Operations Inc
Cross-Reference Index
Part NumberManufacturer
3521 PRIMARY Kearflex Engineering Company (USA)
Related Parts
6510-00-054-7256INTERCHANGEABLE
SKIN CLOSURE,ADHESIVE,SURGICAL
7000030208
3110-00-100-5842INTERCHANGEABLE
BEARING,ROLLER,TAPERED
108-109-6PC487
5120-00-104-5559INTERCHANGEABLE
WRENCH,ORIFICE
6-76070-1
4820-00-200-0664INTERCHANGEABLE
VALVE,GLOBE
CFA40614
5306-00-218-1436INTERCHANGEABLE
BOLT,SHOULDER
35-21
4730-00-867-9028INTERCHANGEABLE
ADAPTER BUSHING
3521
5935-00-899-3669INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3521-C
5950-00-910-9318INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6140026-12
4920-00-918-4959INTERCHANGEABLE
LIFT PIN
3-5-2-1
3010-01-068-7868INTERCHANGEABLE
PLATE REDUCER
35-21
5935-01-087-0186INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3521
5950-01-135-7731INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 3020-01-025-8276?

NSN 3020-01-025-8276 is a Gear Cam Assembly, manufactured by Kearflex Engineering Company, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-025-8276?

NSN 3020-01-025-8276 has 1 cross-referenced part number: 3521 (Kearflex Engineering Company).

What NSN replaces 3020-01-025-8276?

There are 12 known substitutes for 3020-01-025-8276: 6510-00-054-7256, 3110-00-100-5842, 5120-00-104-5559 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3521?

Key specifications for 3521: End Item Identification: COMMON AIRCRAFT. 1 total characteristics are documented in the Federal Logistics Information System.

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