The Gear,spur, cataloged under National Stock Number 3020-01-400-2018, 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 Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-400-2018 |
| Primary Part Number | 23010678 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | HUBLESS |
| 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 |
|---|---|
| 23010678 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 29507912 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 3020-01-400-2018 is a Gear,spur, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-400-2018 has 1 manufacturer part number on file: 23010678 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 23010678: Bore Style: PLAIN BOTH ENDS; Style Designator: HUBLESS; Special Features: USED ON ALLISON AUTOMATIC TRANSMISSION, AT 540, AT 1545 SERIES; End Item Identification: 2320-01-383-2047. 2 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.