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NSN 3020-01-643-7408Government record, cited

Gear, Spur3020-01-643-7408

NSN 3020-01-643-7408 · NIIN 016437408 · Part number 12446348
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 19207
Government record, cited
NSN 3020-01-643-7408 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-643-7408. Manufacturer of record part number: 12446348.
Also searched as  3020-01-643-7408 · 3020016437408 · NIIN 016437408 · 01-643-7408 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 19207 · 12446348
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 39
  • Body Style: PLAIN, SOLID
  • Style Designator: HUBLESS
  • Nominal Outside Diameter: 3.407 INCHES IN
  • Pitch Radius: 3.2500 INCHES NOMINAL IN
  • Pressure Angle: 20.0 DEGREES
  • Material: STEEL COMP 8620 OR STEEL COMP 4320 OVERALL
Identification
  • NSN: 3020-01-643-7408
  • NIIN: 016437408
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 12446348
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-643-7408, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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
NSN3020-01-643-7408
Primary Part Number12446348
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Teeth Quantity39
Body StylePLAIN, SOLID
Style DesignatorHUBLESS
Nominal Outside Diameter3.407 INCHES IN
Pitch Radius3.2500 INCHES NOMINAL IN
Pressure Angle20.0 DEGREES
MaterialSTEEL COMP 8620 OR STEEL COMP 4320 OVERALL
Face Nominal Width0.900 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
12446348 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (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 3020-01-643-7408?

NSN 3020-01-643-7408 is a Gear,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-643-7408?

NSN 3020-01-643-7408 has 1 manufacturer part number on file: 12446348 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12446348?

Key specifications for 12446348: Teeth Quantity: 39; Body Style: PLAIN, SOLID; Style Designator: HUBLESS; Nominal Outside Diameter: 3.407 INCHES IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-643-7408 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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