The Gear,spur, cataloged under National Stock Number 3020-00-957-4752, 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 Caterpillar Inc Div Caterpillar Defense. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-957-4752 |
| Primary Part Number | 5M3470 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Bore Nominal Diameter | 4.325 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 5.375 INCHES FIRST END IN |
| Teeth Quantity | 43 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.973 INCHES FIRST END IN |
| Nominal Overall Length | 3.110 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 5.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Spline Quantity | 43 FIRST END |
| Nominal Outside Diameter | 5.773 INCHES IN |
| Pressure Angle | 30.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 1.137 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 |
|---|---|
| 5M3470 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3020-00-957-4752 is a Gear,spur, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-957-4752 has 1 manufacturer part number on file: 5M3470 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 5M3470: Bore Nominal Diameter: 4.325 INCHES BOTH ENDS IN; Hub Nominal Diameter: 5.375 INCHES FIRST END IN; Teeth Quantity: 43; Body Style: PLAIN, SOLID. 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.
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.