The Gear,internal, cataloged under National Stock Number 3020-01-156-4080, 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 Parker-Hannifin Corporation Dba Pneutronics. Government technical data includes 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-156-4080 |
| Primary Part Number | 2497058 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| Teeth Quantity | 106 |
| Second Step Nominal Diameter | 3.620 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Flange Nominal Thickness | 1.125 INCHES IN |
| Flange Nominal Diameter | 5.655 INCHES IN |
| First Step Nominal Length | 2.192 INCHES FIRST END IN |
| Teeth Type | SPUR |
| Nominal Overall Length | 4.295 INCHES IN |
| Second Step Nominal Length | 0.450 INCHES FIRST END IN |
| Style Designator | FLANGED RING |
| Material Document and Classification | AMS6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 5.3310 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 3.320 INCHES FIRST END IN |
| Hub Style Designator | 2 STEPS FIRST END |
| End Nominal Length | 0.499 INCHES FIRST END IN |
| Nominal Outside Diameter | 3.575 INCHES IN |
| End Nominal Diameter | 3.575 INCHES FIRST END IN |
| Pressure Angle | 24.0000 DEGREES |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 2497058 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| 2497058 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 2497058 | 5/9 Secondary reference U.S. Government activity |
| 2497058 | 5/9 Secondary reference U.S. Government activity |
| 2497058 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Parker Motion & Control Sales |
NSN 3020-01-156-4080 is a Gear,internal, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-156-4080 has 1 manufacturer part number on file: 2497058 (Parker-Hannifin Corporation Dba Pneutronics).
Key specifications for 2497058: Teeth Quantity: 106; Second Step Nominal Diameter: 3.620 INCHES FIRST END IN; Body Style: PLAIN, SOLID; Flange Nominal Thickness: 1.125 INCHES IN. 20 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.