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NSN 3020-01-641-2074Government record, cited

Gear, Spur3020-01-641-2074

NSN 3020-01-641-2074 · NIIN 016412074 · Part number 6743944
Naval Sea Systems Command · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3020-01-641-2074 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-641-2074. Manufacturer of record part number: 6743944.
Also searched as  3020-01-641-2074 · 3020016412074 · NIIN 016412074 · 01-641-2074 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 53711 · 6743944
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 41
  • Body Style: PLAIN, SOLID
  • Nominal Distance Between Body Face and Protruding Hub End: 1.315 INCHES SECOND END IN
  • Nominal Distance Between Body Face and Protruding Hub End: 1.650 INCHES FIRST END IN
  • Style Designator: PROTUDING HUBS
  • Pitch Diameter: 10.0 INCHES NOMINAL IN
  • Nominal Outside Diameter: 4.300 INCHES IN
Identification
  • NSN: 3020-01-641-2074
  • NIIN: 016412074
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 6743944
  • Manufacturer: Naval Sea Systems Command
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-641-2074, 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 Naval Sea Systems Command. Government technical data includes 10 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-641-2074
Primary Part Number6743944
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerNaval Sea Systems Command
StatusACTIVE
Teeth Quantity41
Body StylePLAIN, SOLID
Nominal Distance Between Body Face and Protruding Hub End1.315 INCHES SECOND END IN
Nominal Distance Between Body Face and Protruding Hub End1.650 INCHES FIRST END IN
Style DesignatorPROTUDING HUBS
Pitch Diameter10.0 INCHES NOMINAL IN
Nominal Outside Diameter4.300 INCHES IN
Pressure Angle20.0 DEGREES
MaterialSTEEL COMP 8620 OVERALL
Face Nominal Width1.120 INCHES IN
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
6743944 PRIMARY Naval Sea Systems Command (USA)
6743944 PRIMARY U D T, Inc. Dba Udt Inc (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 3020-01-641-2074?

NSN 3020-01-641-2074 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-641-2074?

NSN 3020-01-641-2074 has 2 manufacturer part numbers on file: 6743944 (Naval Sea Systems Command), 6743944 (U D T, Inc. Dba Udt Inc).

What are the specifications of 6743944?

Key specifications for 6743944: Teeth Quantity: 41; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 1.315 INCHES SECOND END IN; Nominal Distance Between Body Face and Protruding Hub End: 1.650 INCHES FIRST END IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-641-2074 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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