The Gear,antibacklash,spur, cataloged under National Stock Number 3020-01-189-1018, 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 Astronautics Corporation of America. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-189-1018 |
| Primary Part Number | 131466 |
| Item Name | Gear,antibacklash,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 RETAINING RING |
| Teeth Quantity | 42 |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 0.4368 INCHES NOMINAL IN |
| Nominal Outside Diameter | 0.4583 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 |
|---|---|
| 131466 PRIMARY | Astronautics Corporation of America (USA) |
NSN 3020-01-189-1018 is a Gear,antibacklash,spur, manufactured by Astronautics Corporation of America, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-189-1018 has 1 manufacturer part number on file: 131466 (Astronautics Corporation of America).
Key specifications for 131466: Furnished Items and Quantity: 1 RETAINING RING; Teeth Quantity: 42; Style Designator: PROTRUDING HUBS; Pitch Diameter: 0.4368 INCHES NOMINAL IN. 5 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.