The Gear Cluster, cataloged under National Stock Number 3020-01-054-6096, 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 General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-054-6096 |
| Primary Part Number | 105D3928 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.562 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.8000 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Bore Style | PLAIN BOTH ENDS |
| Precision Classification | QUALITY NUMBER 8 FIRST GEAR |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 1.290 INCHES IN |
| Hub Style Designator | PLAIN FIRST END |
| Hub Nominal Length | 0.3200 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.9970 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 3.8620 INCHES FIRST GEAR IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL OVERALL |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 105D3928 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
| Reference | Meaning |
|---|---|
| 3020PL0663158 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3020-01-054-6096 is a Gear Cluster, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-054-6096 has 1 manufacturer part number on file: 105D3928 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 105D3928: Bore Nominal Diameter: 0.562 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.8000 INCHES BETWEEN FIRST AND SECOND GEAR IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR. 15 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.
NSN 3020-01-054-6096 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.