PartsTable TECHNICAL DATA SHEET
NSN 3020-00-918-3274Government record, cited

Gear Cluster3020-00-918-3274

NSN 3020-00-918-3274 · NIIN 009183274 · Part number 537-303-111
L3harris Interstate Electronics Corporation · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 07421
Government record, cited
NSN 3020-00-918-3274 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-918-3274. Manufacturer of record part number: 537-303-111.
Also searched as  3020-00-918-3274 · 3020009183274 · NIIN 009183274 · 00-918-3274 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 07421 · 537-303-111
Nearby stock numbers  ·
Features
  • Gear Cluster — FSC 3020
  • Hub Nominal Diameter: 0.0930 INCHES BETWEEN SECOND AND THIRD GEAR IN
  • Hub Nominal Diameter: 0.1860 INCHES BETWEEN FIRST AND SECOND GEAR IN
  • Design Type: SPUR SECOND GEAR
  • Design Type: SPUR FIRST GEAR
  • Nominal Overall Length: 1.184 INCHES IN
  • Hub Style Designator: PLAIN FIRST END
  • Hub Style Designator: PLAIN SECOND END
Identification
  • NSN: 3020-00-918-3274
  • NIIN: 009183274
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 537-303-111
  • Manufacturer: L3harris Interstate Electronics Corporation
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-918-3274, 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 L3harris Interstate Electronics Corporation. Government technical data includes 14 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
NSN3020-00-918-3274
Primary Part Number537-303-111
Item NameGear Cluster
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerL3harris Interstate Electronics Corporation
StatusACTIVE
Hub Nominal Diameter0.0930 INCHES BETWEEN SECOND AND THIRD GEAR IN
Hub Nominal Diameter0.1860 INCHES BETWEEN FIRST AND SECOND GEAR IN
Design TypeSPUR SECOND GEAR
Design TypeSPUR FIRST GEAR
Nominal Overall Length1.184 INCHES IN
Hub Style DesignatorPLAIN FIRST END
Hub Style DesignatorPLAIN SECOND END
Hub Nominal Length0.625 INCHES BETWEEN FIRST AND SECOND GEAR IN
Hub Nominal Length0.140 INCHES FIRST END IN
Hub Nominal Length0.1400 INCHES SECOND END IN
Nominal Outside Diameter0.333 INCHES SECOND GEAR IN
Nominal Outside Diameter0.3870 INCHES FIRST GEAR IN
MaterialSTEEL 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
537-303-111 PRIMARY L3harris Interstate Electronics Corporation (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.
3020-00-000-0091
GEAR,SPUR
3020-00-001-0027
3020-00-001-0027 · Item name not on file
3020-00-001-0028
3020-00-001-0028 · Item name not on file
3020-00-001-0063
3020-00-001-0063 · Item name not on file
3020-00-001-0064
3020-00-001-0064 · Item name not on file
3020-00-001-0066
3020-00-001-0066 · Item name not on file
3020-00-001-0071
3020-00-001-0071 · Item name not on file
3020-00-001-0072
3020-00-001-0072 · Item name not on file

Frequently Asked Questions

What is NSN 3020-00-918-3274?

NSN 3020-00-918-3274 is a Gear Cluster, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-00-918-3274?

NSN 3020-00-918-3274 has 1 manufacturer part number on file: 537-303-111 (L3harris Interstate Electronics Corporation).

What are the specifications of 537-303-111?

Key specifications for 537-303-111: Hub Nominal Diameter: 0.0930 INCHES BETWEEN SECOND AND THIRD GEAR IN; Hub Nominal Diameter: 0.1860 INCHES BETWEEN FIRST AND SECOND GEAR IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR. 14 specifications are documented in the U.S. Government catalog.

Is NSN 3020-00-918-3274 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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