PartsTable TECHNICAL DATA SHEET
NSN 3020-00-421-7667Government record, cited

Gear Cluster3020-00-421-7667

NSN 3020-00-421-7667 · NIIN 004217667 · Part number 370194
Raytheon Company Dba Raytheon Co · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 3B150
Government record, cited
NSN 3020-00-421-7667 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-421-7667. Manufacturer of record part number: 370194.
Also searched as  3020-00-421-7667 · 3020004217667 · NIIN 004217667 · 00-421-7667 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 3B150 · 370194
Nearby stock numbers  ·
Features
  • Gear Cluster — FSC 3020
  • Hub Nominal Diameter: 0.125 INCHES BOTH ENDS IN
  • Design Type: SPUR ALL GEARS
  • Nominal Overall Length: 1.125 INCHES IN
  • Hub Style Designator: 1 STEP BETWEEN FIRST AND SECOND GEAR
  • Hub Style Designator: PLAIN BOTH ENDS
  • Hub Nominal Length: 0.140 INCHES BOTH ENDS IN
  • Hub Nominal Length: 0.435 INCHES BETWEEN FIRST AND SECOND GEAR IN
Identification
  • NSN: 3020-00-421-7667
  • NIIN: 004217667
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 370194
  • Manufacturer: Raytheon Company Dba Raytheon Co
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-421-7667, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-421-7667
Primary Part Number370194
Item NameGear Cluster
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Hub Nominal Diameter0.125 INCHES BOTH ENDS IN
Design TypeSPUR ALL GEARS
Nominal Overall Length1.125 INCHES IN
Hub Style Designator1 STEP BETWEEN FIRST AND SECOND GEAR
Hub Style DesignatorPLAIN BOTH ENDS
Hub Nominal Length0.140 INCHES BOTH ENDS IN
Hub Nominal Length0.435 INCHES BETWEEN FIRST AND SECOND GEAR IN
Nominal Outside Diameter0.344 INCHES SECOND GEAR IN
Nominal Outside Diameter0.802 INCHES FIRST GEAR IN
MaterialSTEEL CORROSION RESISTING OVERALL
ConstructionASSEMBLED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
370194 Raytheon Company (USA)
370194 PRIMARY Raytheon Company Dba Raytheon Co (USA)
Reference documents
ReferenceMeaning
370194 5/9 Secondary reference
Raytheon Company Div Corp
No interchangeability data on file.
Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-001-2090
3020-00-001-2090 · Item name not on file
3020-00-001-4468
3020-00-001-4468 · Item name not on file
3020-00-007-2779
GEAR,ANTIBACKLASH,SPUR
3020-00-009-4033
GEAR,SPUR
3020-00-031-2269
3020-00-031-2269 · Item name not on file
3020-00-146-4181
GEAR,IDLER
3020-00-146-4222
GEAR,IDLER
3020-00-425-7115
GEAR,HELICAL

Frequently Asked Questions

What is NSN 3020-00-421-7667?

NSN 3020-00-421-7667 is a Gear Cluster, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-00-421-7667?

NSN 3020-00-421-7667 has 2 manufacturer part numbers on file: 370194 (Raytheon Company), 370194 (Raytheon Company Dba Raytheon Co).

What are the specifications of 370194?

Key specifications for 370194: Hub Nominal Diameter: 0.125 INCHES BOTH ENDS IN; Design Type: SPUR ALL GEARS; Nominal Overall Length: 1.125 INCHES IN; Hub Style Designator: 1 STEP BETWEEN FIRST AND SECOND GEAR. 11 specifications are documented in the U.S. Government catalog.

Is NSN 3020-00-421-7667 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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