NSN 3020-01-243-4919 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-243-4919. Manufacturer of record part number: 2K31U.
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 2K31U
Manufacturer: Dynalec Corporation
General Description
The Gear,helical, cataloged under National Stock Number 3020-01-243-4919, 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 Dynalec Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-01-243-4919
Primary Part Number
2K31U
Item Name
Gear,helical
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
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 3020-01-243-4919?
NSN 3020-01-243-4919 is a Gear,helical, manufactured by Dynalec Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-243-4919?
NSN 3020-01-243-4919 has 2 manufacturer part numbers on file: 2K31U (Dynalec Corporation), K2005-1 PIECE 31 (Dynalec Corporation).
What are the specifications of 2K31U?
Key specifications for 2K31U: Teeth Quantity: 72; Material: STEEL OVERALL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-243-4919 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.