PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18491Gear Cluster

Scientific Atlanta Inc · NSN 3020-01-132-3698 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-132-3698 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-132-3698. Primary manufacturer part number: 18491.
Features
  • Gear Cluster — FSC 3020
  • Design Type: SPUR SECOND GEAR
  • Material: STEEL OVERALL
  • Nominal Overall Length: 6.250 INCHES IN
  • Design Type: SPUR FIRST GEAR
  • Construction: SOLID
  • Nominal Outside Diameter: 1.9688 INCHES FIRST GEAR IN
  • 1 verified cross-reference
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-01-132-3698, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Scientific Atlanta Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-132-3698
Primary Part Number18491
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerScientific Atlanta Inc
StatusACTIVE
Design TypeSPUR SECOND GEAR
MaterialSTEEL OVERALL
Nominal Overall Length6.250 INCHES IN
Design TypeSPUR FIRST GEAR
ConstructionSOLID
Nominal Outside Diameter1.9688 INCHES FIRST GEAR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-062-12641849-1 INTERCHANGEABLE
Transformer,power
Rockwell Collins, Inc. Dba Rc Displays Systems
5950-00-824-3603 INTERCHANGEABLE
Coil,radio Frequency
5915-00-849-3466SM-D-413719 INTERCHANGEABLE
Filter,band Pass
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-01-122-7286984877-1B INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
6150-01-261-2501R66593 INTERCHANGEABLE
Lead,electrical
Deere & Co
5365-01-294-990518491 INTERCHANGEABLE
Spacer,plate
Williams International Co., L.l.c.
7530-01-673-349418491 INTERCHANGEABLE
Label
Dymo Corporation
Cross-Reference Index
Part NumberManufacturer
18491 PRIMARY Scientific Atlanta Inc (USA)
Related Parts
5950-00-062-1264INTERCHANGEABLE
TRANSFORMER,POWER
1849-1
5950-00-824-3603INTERCHANGEABLE
COIL,RADIO FREQUENCY
5915-00-849-3466INTERCHANGEABLE
FILTER,BAND PASS
SM-D-413719
5950-01-122-7286INTERCHANGEABLE
TRANSFORMER,POWER
984877-1B
6150-01-261-2501INTERCHANGEABLE
LEAD,ELECTRICAL
R66593
5365-01-294-9905INTERCHANGEABLE
SPACER,PLATE
18491
7530-01-673-3494INTERCHANGEABLE
LABEL
18491

Frequently Asked Questions

What is NSN 3020-01-132-3698?

NSN 3020-01-132-3698 is a Gear Cluster, manufactured by Scientific Atlanta Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-132-3698?

NSN 3020-01-132-3698 has 1 cross-referenced part number: 18491 (Scientific Atlanta Inc).

What NSN replaces 3020-01-132-3698?

There are 7 known substitutes for 3020-01-132-3698: 5950-00-062-1264, 5950-00-824-3603, 5915-00-849-3466 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18491?

Key specifications for 18491: Design Type: SPUR SECOND GEAR; Material: STEEL OVERALL; Nominal Overall Length: 6.250 INCHES IN; Design Type: SPUR FIRST GEAR. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com