The Gear,spur, cataloged under National Stock Number 3020-01-073-7859, 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 Eastern Gear Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-073-7859 |
| Primary Part Number | 3-080-075-04 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Eastern Gear Corporation |
| Status | ACTIVE |
| Teeth Quantity | 19 |
| Body Style | PLAIN, SOLID |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 1.2000 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.275 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.640 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3-080-075-04 PRIMARY | Eastern Gear Corporation (USA) |
| 12286076 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 3-080-075-04 | Precision Gear Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 3-080-075-04 | 5/2 Secondary reference U.S. Government activity |
| 3-080-075-03 | 5/9 Secondary reference U.S. Government activity |
| 3-080-075-04 | 5/2 Secondary reference U.S. Government activity |
| 3-080-075-03 | 5/9 Secondary reference U.S. Government activity |
| 3-080-075-03 | 5/9 Secondary reference Eastern Gear Corporation |
| 3-080-075-03 | 5/9 Secondary reference U.S. Government activity |
| 3-080-075-03 | 5/9 Secondary reference Precision Gear Industries Llc |
NSN 3020-01-073-7859 is a Gear,spur, manufactured by Eastern Gear Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-073-7859 has 3 manufacturer part numbers on file: 3-080-075-04 (Eastern Gear Corporation), 12286076 (U S Army Tank Automotive Command Amsta-Im-Mm), 3-080-075-04 (Precision Gear Industries Llc).
Key specifications for 3-080-075-04: Teeth Quantity: 19; Body Style: PLAIN, SOLID; Style Designator: PROTRUDING HUBS; Pitch Diameter: 1.2000 INCHES NOMINAL IN. 7 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.
NSN 3020-01-073-7859 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.