The Gear,spur, cataloged under National Stock Number 3020-01-385-1247, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-385-1247 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.126 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.5635 INCHES BOTH ENDS IN |
| Teeth Quantity | 30 |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Style Designator | HUBLESS |
| Nominal Outside Diameter | 0.940 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.346 INCHES BOTH ENDS IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A810424 | D/9 Drawing number reference only Tri-Tec Manufacturing, Llc |
| 830400 | D/9 Drawing number reference only Tri-Tec Manufacturing, Llc |
| 830400PL FIND 4 30 TOOTH | 3/9 Design control — primary reference Tri-Tec Manufacturing, Llc |
| 810424-5 | 5/9 Secondary reference Tri-Tec Manufacturing, Llc |
| A810424 DASH NO 5 | 5/9 Secondary reference Tri-Tec Manufacturing, Llc |
| 830400PL FIND 4 30 TOOTH | 3/2 Design control — primary reference U.S. Government activity |
| 810424-5 | 3/2 Design control — primary reference U.S. Government activity |
| A810424 DASH NO 5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-385-1247 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-385-1247: Keyway Nominal Width: 0.126 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.5635 INCHES BOTH ENDS IN; Teeth Quantity: 30; Body Style: PLAIN, SOLID. 9 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.