The Gear,spur, cataloged under National Stock Number 3020-00-409-6861, 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 Telemechanics Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-409-6861 |
| Primary Part Number | 196149 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.404 INCHES FIRST END IN |
| Teeth Quantity | 40 |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Nominal Overall Length | 0.383 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Nominal Outside Diameter | 1.308 INCHES IN |
| Material | IRON CAST OVERALL |
| Face Nominal Width | 0.116 INCHES IN |
| 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 |
|---|---|
| 196149 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 196149 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 3020-00-409-6861 is a Gear,spur, manufactured by Telemechanics Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-409-6861 has 1 manufacturer part number on file: 196149 (Telemechanics Inc).
Key specifications for 196149: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.404 INCHES FIRST END IN; Teeth Quantity: 40; Bore Style: W/COUNTERBORE BOTH ENDS. 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.