PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

370195Gear Cluster

Raytheon Company Dba Raytheon Co · NSN 3020-00-421-4461 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-421-4461 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-421-4461. Primary manufacturer part number: 370195.
Features
  • Gear Cluster — FSC 3020
  • Hub Style Designator: 1 STEP BETWEEN FIRST AND SECOND GEAR
  • Nominal Overall Length: 1.125 INCHES IN
  • Material: COPPER ALLOY FIRST GEAR
  • Hub Nominal Diameter: 0.125 INCHES BOTH ENDS IN
  • Nominal Outside Diameter: 0.417 INCHES SECOND GEAR IN
  • Hub Nominal Length: 0.322 INCHES BETWEEN FIRST AND SECOND GEAR IN
  • Hub Nominal Length: 0.140 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy First Gear construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-421-4461, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-421-4461
Primary Part Number370195
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Hub Style Designator1 STEP BETWEEN FIRST AND SECOND GEAR
Nominal Overall Length1.125 INCHES IN
MaterialCOPPER ALLOY FIRST GEAR
Hub Nominal Diameter0.125 INCHES BOTH ENDS IN
Nominal Outside Diameter0.417 INCHES SECOND GEAR IN
Hub Nominal Length0.322 INCHES BETWEEN FIRST AND SECOND GEAR IN
Hub Nominal Length0.140 INCHES FIRST END IN
Material Document and ClassificationQQ-B-679,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
Nominal Outside Diameter1.5000 INCHES FIRST GEAR IN
Hub Style Designator1 STEP SECOND END
ConstructionASSEMBLED
Material Document and ClassificationAMS 5643,17-4PH ASSN STD SINGLE MATERIAL RESPONSE SECOND GEAR
Hub Nominal Length0.255 INCHES SECOND END IN
Design TypeSPUR FIRST GEAR
Surface TreatmentPASSIVATE SECOND GEAR
Hub Style DesignatorPLAIN FIRST END
MaterialSTEEL SECOND GEAR
Hub Nominal Diameter0.310 INCHES BETWEEN FIRST AND SECOND GEAR IN
Design TypeSPUR SECOND GEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6685-00-193-950230039 INTERCHANGEABLE
Thermostat,flow Control
Ideal Instruments Inc
Cross-Reference Index
Part NumberManufacturer
370195 Raytheon Company (USA)
370195 Raytheon Company Div Corp (USA)
370195 PRIMARY Raytheon Company Dba Raytheon Co (USA)
Related Parts
6685-00-193-9502INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
30039

Frequently Asked Questions

What is NSN 3020-00-421-4461?

NSN 3020-00-421-4461 is a Gear Cluster, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-421-4461?

NSN 3020-00-421-4461 has 3 cross-referenced part numbers: 370195 (Raytheon Company), 370195 (Raytheon Company Div Corp), 370195 (Raytheon Company Dba Raytheon Co).

What NSN replaces 3020-00-421-4461?

There is 1 known substitute for 3020-00-421-4461: 6685-00-193-9502. Verify interchangeability with system specifications before substitution.

What are the specifications of 370195?

Key specifications for 370195: Hub Style Designator: 1 STEP BETWEEN FIRST AND SECOND GEAR; Nominal Overall Length: 1.125 INCHES IN; Material: COPPER ALLOY FIRST GEAR; Hub Nominal Diameter: 0.125 INCHES BOTH ENDS IN. 19 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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