The Gear,worm Wheel, cataloged under National Stock Number 3020-01-359-4973, 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 Cotta Transmission Co Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-359-4973 |
| Primary Part Number | GR1600A-2 O6-16237F |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cotta Transmission Co Llc |
| Status | ACTIVE |
| Teeth Quantity | 45 |
| Material | STEEL BORE SURFACE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 06-16237F | Cotta Transmission Co Llc (USA) |
| GR1600A-2 O6-16237F PRIMARY | Cotta Transmission Co Llc (USA) |
| Reference | Meaning |
|---|---|
| GR 1600A-2 | D/9 Drawing number reference only Cotta Transmission Co Llc |
NSN 3020-01-359-4973 is a Gear,worm Wheel, manufactured by Cotta Transmission Co Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-359-4973 has 2 manufacturer part numbers on file: 06-16237F (Cotta Transmission Co Llc), GR1600A-2 O6-16237F (Cotta Transmission Co Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-359-6807, 3040-01-359-7042. Verify interchangeability with system specifications before substitution.
Key specifications for GR1600A-2 O6-16237F: Teeth Quantity: 45; Material: STEEL BORE SURFACE. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.