The Gear Sector,worm Wheel, cataloged under National Stock Number 3020-01-346-4010, 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 R G Rollin Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Gear Sector,worm Wheel |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | R G Rollin Co (CAGE 54752) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-346-4010 |
| Primary Part Number | KR760200 PIECE 7 |
| Item Name | Gear Sector,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | R G Rollin Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| KR760200 PIECE 7 PRIMARY | R G Rollin Co (USA) |
| KR520-7A | R G Rollin Co (USA) |
| Reference | Meaning |
|---|---|
| KR760200 | D/9 Drawing number reference only R G Rollin Co |
NSN 3020-01-346-4010 is a Gear Sector,worm Wheel, manufactured by R G Rollin Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-346-4010 has 2 manufacturer part numbers on file: KR760200 PIECE 7 (R G Rollin Co), KR520-7A (R G Rollin Co).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-346-4031, 3040-01-346-4032. Verify interchangeability with system specifications before substitution.
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.