The Gear Assembly,reverse Ring, cataloged under National Stock Number 3020-00-477-5983, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-477-5983 |
| Primary Part Number | 6770959 |
| Item Name | Gear Assembly,reverse Ring |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; CONSISTS OF 1 GEAR; DETROIT DIESEL ALLISON DIV OF GMC PART NO. 6770958; AND 1 RETAINR; PART NO. 6769393; RETAINER WELDED TO GEAR FACE |
| 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 |
|---|---|
| 6770959 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6770959 | 5/9 Secondary reference Euclid Inc |
NSN 3020-00-477-5983 is a Gear Assembly,reverse Ring, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-477-5983 has 1 manufacturer part number on file: 6770959 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6770959: General Characteristics Item Description: STEEL; CONSISTS OF 1 GEAR; DETROIT DIESEL ALLISON DIV OF GMC PART NO. 6770958; AND 1 RETAINR; PART NO. 6769393; RETAINER WELDED TO GEAR FACE. 1 specification is 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.