The Gear,worm, cataloged under National Stock Number 3020-01-052-1475, 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 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-052-1475 |
| Primary Part Number | 6835455 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Bore Nominal Diameter | 2.562 INCHES BOTH ENDS IN |
| Helix Angle | 4.7666 DEGREES |
| Bore Style | PLAIN BOTH ENDS |
| Face Type | STRAIGHT |
| Style Designator | HUBLESS |
| Pitch Diameter | 3.4687 INCHES NOMINAL IN |
| Thread Form Quantity | 1 |
| Nominal Outside Diameter | 3.568 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.955 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 |
|---|---|
| 2AX344 | Oshkosh Defense Llc (USA) |
| 6835455 | Mitchell Diesel Limited T/a Mitchell Powersystems (GBR) |
| 039-90005-283 | Kovatch Mobile Equipment Corp. Dba Kme (USA) |
| 6835455 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 039-90005-283 | 5/9 Secondary reference Kovatch Corp. |
| 2AX344 | 5/9 Secondary reference Oshkosh Corp |
| 6835455 | 5/9 Secondary reference Detroit Diesel (overseas Distribution Corp) |
| 000886T | 5/9 Secondary reference Kovatch Corp. |
NSN 3020-01-052-1475 is a Gear,worm, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-052-1475 has 4 manufacturer part numbers on file: 2AX344 (Oshkosh Defense Llc), 6835455 (Mitchell Diesel Limited T/a Mitchell Powersystems), 039-90005-283 (Kovatch Mobile Equipment Corp. Dba Kme), 6835455 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6835455: Thread Form Direction: RIGHT-HAND; Bore Nominal Diameter: 2.562 INCHES BOTH ENDS IN; Helix Angle: 4.7666 DEGREES; Bore Style: PLAIN BOTH ENDS. 12 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.