PartsTable TECHNICAL DATA SHEET
NSN 3020-00-780-8152Government record, cited

Gear Cluster3020-00-780-8152

NSN 3020-00-780-8152 · NIIN 007808152 · Part number 761-3238-002
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 13499
Government record, cited
NSN 3020-00-780-8152 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-780-8152. Manufacturer of record part number: 761-3238-002.
Also searched as  3020-00-780-8152 · 3020007808152 · NIIN 007808152 · 00-780-8152 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 13499 · 761-3238-002
Nearby stock numbers  ·
Features
  • Gear Cluster — FSC 3020
  • Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN
  • Design Type: SPUR SECOND GEAR
  • Design Type: SPUR FIRST GEAR
  • Bore Style: PLAIN BOTH ENDS
  • Material Document and Classification: QQ-S-763,CLASS 303 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hub Style Designator: PLAIN SECOND END
  • Hub Nominal Length: 0.125 INCHES SECOND END IN
Identification
  • NSN: 3020-00-780-8152
  • NIIN: 007808152
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 761-3238-002
  • Manufacturer: Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-780-8152, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-780-8152
Primary Part Number761-3238-002
Item NameGear Cluster
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Design TypeSPUR SECOND GEAR
Design TypeSPUR FIRST GEAR
Bore StylePLAIN BOTH ENDS
Material Document and ClassificationQQ-S-763,CLASS 303 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Style DesignatorPLAIN SECOND END
Hub Nominal Length0.125 INCHES SECOND END IN
Hub Nominal Length0.040 INCHES BETWEEN FIRST AND SECOND GEAR IN
Nominal Outside Diameter0.250 INCHES SECOND GEAR IN
Nominal Outside Diameter0.6370 INCHES FIRST GEAR IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 303 OVERALL
ConstructionSOLID
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
761-3238-002 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
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 3020-00-780-8152?

NSN 3020-00-780-8152 is a Gear Cluster, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-00-780-8152?

NSN 3020-00-780-8152 has 1 manufacturer part number on file: 761-3238-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What are the specifications of 761-3238-002?

Key specifications for 761-3238-002: Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR; Bore Style: PLAIN BOTH ENDS. 13 specifications are documented in the U.S. Government catalog.

Is NSN 3020-00-780-8152 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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