The Gear,spur, cataloged under National Stock Number 3020-00-348-4562, 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 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-348-4562 |
| Primary Part Number | 4H7114 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Keyway Nominal Width | 0.2435 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.2502 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.180 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.3750 INCHES SECOND END IN |
| Teeth Quantity | 62 |
| Second Step Nominal Diameter | 2.1800 INCHES FIRST END IN |
| Body Style | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.8130 INCHES FIRST END IN |
| First Step Nominal Length | 0.1880 INCHES FIRST END IN |
| Hardness Rating | 82.4 ROCKWELL B MINIMUM AND 96.4 ROCKWELL B MAXIMUM OVERALL |
| Second Step Nominal Length | 0.562 INCHES FIRST END IN |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Pitch Diameter | 7.7500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 1.7500 INCHES FIRST END IN |
| Hub Style Designator | 2 STEPS FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| End Nominal Length | 0.0630 INCHES FIRST END IN |
| Nominal Outside Diameter | 7.7997 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.7420 INCHES BOTH ENDS IN |
| End Nominal Diameter | 1.5000 INCHES FIRST END IN |
| End Nominal Diameter | 2.1800 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 1.000 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 |
|---|---|
| 4H7114 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| IPD4H7114 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
| IPD2M4091 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
NSN 3020-00-348-4562 is a Gear,spur, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-348-4562 has 1 manufacturer part number on file: 4H7114 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 4H7114: Keyway Nominal Width: 0.2435 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.2502 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.180 INCHES SECOND END IN; Nominal Distance Between Body Face and Recessed Hub End: 0.3750 INCHES SECOND END IN. 26 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.