NSN 3020-01-644-5364 · NIIN 016445364 · Part number 12446478
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 3020-01-644-5364 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-644-5364. Manufacturer of record part number: 12446478.
Also searched as3020-01-644-5364 ·
3020016445364 ·
NIIN 016445364 ·
01-644-5364 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 19207 · 12446478
Bore Nominal Diameter: 2.33 INCHES SECOND COUNTERBORE SECOND END IN
Bore Nominal Diameter: 5.308 INCHES FIRST COUNTERBORE FIRST END IN
Bore Style: W/COUNTERBORE BOTH ENDS
Supplementary Features: 1ST END NO. OF TEETH 40; 2ND END NO. OF TEETH 31
Bore Nominal Depth: 0.984 INCHES FIRST COUNTERBORE FIRST END IN
Nominal Outside Diameter: 6.990 INCHES ALL GEARS IN
1 manufacturer part number on file
Identification
NSN: 3020-01-644-5364
NIIN: 016445364
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 12446478
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Gear Cluster, cataloged under National Stock Number 3020-01-644-5364, 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 6 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
Parameter
Value
NSN
3020-01-644-5364
Primary Part Number
12446478
Item Name
Gear Cluster
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
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 3020-01-644-5364?
NSN 3020-01-644-5364 is a Gear Cluster, 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 3020-01-644-5364?
NSN 3020-01-644-5364 has 1 manufacturer part number on file: 12446478 (U S Army Tank Automotive Command Amsta-Im-Mm).
What are the specifications of 12446478?
Key specifications for 12446478: Bore Nominal Diameter: 2.33 INCHES SECOND COUNTERBORE SECOND END IN; Bore Nominal Diameter: 5.308 INCHES FIRST COUNTERBORE FIRST END IN; Bore Style: W/COUNTERBORE BOTH ENDS; Supplementary Features: 1ST END NO. OF TEETH 40; 2ND END NO. OF TEETH 31. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-644-5364 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.