The Gear Sector,spur, cataloged under National Stock Number 3020-01-194-6970, 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 Derbyshire Machine & Tool Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-194-6970 |
| Primary Part Number | 77643-75X2 PIECE 8 |
| Item Name | Gear Sector,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Material Document and Classification | QQ-B-726 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Material | COPPER ALLOY 862 OR COPPER ALLOY 863 OVERALL |
| 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 |
|---|---|
| 77643-75X2 PIECE 8 | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 77643-75X2 PIECE 8 | 3/2 Design control — primary reference U.S. Government activity |
| 77643-75X2 PIECE 8 | 5/9 Secondary reference Sycon Corp |
NSN 3020-01-194-6970 is a Gear Sector,spur, manufactured by Derbyshire Machine & Tool Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-194-6970 has 1 manufacturer part number on file: 77643-75X2 PIECE 8 (Derbyshire Machine & Tool Co).
Key specifications for 77643-75X2 PIECE 8: Material Document and Classification: QQ-B-726 FED SPEC ALL MATERIAL RESPONSES OVERALL; Material: COPPER ALLOY 862 OR COPPER ALLOY 863 OVERALL. 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.