The Gear-Spur, cataloged under National Stock Number 3020-00-031-2517, 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 Ballantyne of Omaha Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gear-Spur |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Ballantyne of Omaha Inc. (CAGE 58250) |
| Parameter | Value |
|---|---|
| NSN | 3020-00-031-2517 |
| Primary Part Number | A72563 |
| Item Name | Gear-Spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ballantyne of Omaha Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| A72563 PRIMARY | Ballantyne of Omaha Inc. (USA) |
| Reference | Meaning |
|---|---|
| 72563 | 5/9 Secondary reference Arma Div Ambac Industries Inc |
NSN 3020-00-031-2517 is a Gear-Spur, manufactured by Ballantyne of Omaha Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-031-2517 has 1 manufacturer part number on file: A72563 (Ballantyne of Omaha Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5310-00-515-7324, 8415-01-281-5497. Verify interchangeability with system specifications before substitution.
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.