PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20486-1Sprocket and Gear Assembly

United States Department of the Navy Dba Naval Surface Warfare Center Panama City · NSN 3020-01-322-2341 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-322-2341 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-322-2341. Primary manufacturer part number: 20486-1.
Features
  • Sprocket and Gear Assembly — FSC 3020
  • General Characteristics Item Description: SPROCKET DATA: NO.40 1/2 IN.PITCH CHAIN,STEEL,6.020 IN.OD,5.737 IN.PITCH DIA,36 TEETH,1.754 IN.DIA BORE; GEAR DATA: CRES,2.953 IN.OD,2.500 IN.PITCH DIA,60 TEETH; INCLUDES FLANGED BEARING IN
  • 2 verified cross-references
  • Primary manufacturer: United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Sprocket and Gear Assembly, cataloged under National Stock Number 3020-01-322-2341, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-322-2341
Primary Part Number20486-1
Item NameSprocket and Gear Assembly
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City
StatusACTIVE
General Characteristics Item DescriptionSPROCKET DATA: NO.40 1/2 IN.PITCH CHAIN,STEEL,6.020 IN.OD,5.737 IN.PITCH DIA,36 TEETH,1.754 IN.DIA BORE; GEAR DATA: CRES,2.953 IN.OD,2.500 IN.PITCH DIA,60 TEETH; INCLUDES FLANGED BEARING IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-155-8416 INTERCHANGEABLE
Bearing,ball,annular
3110-00-293-812010543685-1 INTERCHANGEABLE
Bearing,ball,annular
Level 10 Industries, Inc. Div Level 10 Industries
4820-00-608-7107105-204-080-100-009 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp
5841-00-907-6246507104-2 INTERCHANGEABLE
Radar Set Subassembly
Raytheon Company Dba Raytheon
2915-00-931-333320486 INTERCHANGEABLE
Retainer,thermal Relief Valve
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5950-01-113-572120486-1 INTERCHANGEABLE
Transformer Assembly
Varo Llc
5330-01-510-032720486 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Aurelius Mfg Co Inc
5120-01-601-563320486 INTERCHANGEABLE
Punch Set,drift
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
20486-1 PRIMARY United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
20486 United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
Related Parts
3110-00-155-8416INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-293-8120INTERCHANGEABLE
BEARING,BALL,ANNULAR
10543685-1
4820-00-608-7107INTERCHANGEABLE
DISK,VALVE
105-204-080-100-009
5841-00-907-6246INTERCHANGEABLE
RADAR SET SUBASSEMBLY
507104-2
2915-00-931-3333INTERCHANGEABLE
RETAINER,THERMAL RELIEF VALVE
20486
5950-01-113-5721INTERCHANGEABLE
TRANSFORMER ASSEMBLY
20486-1
5330-01-510-0327INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
20486
5120-01-601-5633INTERCHANGEABLE
PUNCH SET,DRIFT
20486

Frequently Asked Questions

What is NSN 3020-01-322-2341?

NSN 3020-01-322-2341 is a Sprocket and Gear Assembly, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-322-2341?

NSN 3020-01-322-2341 has 2 cross-referenced part numbers: 20486-1 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City), 20486 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).

What NSN replaces 3020-01-322-2341?

There are 8 known substitutes for 3020-01-322-2341: 3110-00-155-8416, 3110-00-293-8120, 4820-00-608-7107 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20486-1?

Key specifications for 20486-1: General Characteristics Item Description: SPROCKET DATA: NO.40 1/2 IN.PITCH CHAIN,STEEL,6.020 IN.OD,5.737 IN.PITCH DIA,36 TEETH,1.754 IN.DIA BORE; GEAR DATA: CRES,2.953 IN.OD,2.500 IN.PITCH DIA,60 TEETH; INCLUDES FLANGED BEARING IN. 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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