The Gear,helical, cataloged under National Stock Number 3020-00-451-2722, 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 Cummins Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-451-2722 |
| Primary Part Number | 135037 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.614 INCHES BOTH ENDS IN |
| Helix Angle | 16.4556 DEGREES |
| Teeth Quantity | 27 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | PLAIN BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Style Designator | HUBLESS |
| Pitch Diameter | 3.6562 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 3.904 INCHES IN |
| Pressure Angle | 19.2417 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.690 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 |
|---|---|
| 135037 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 135037 | 5/9 Secondary reference La Gary Co |
NSN 3020-00-451-2722 is a Gear,helical, manufactured by Cummins Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-451-2722 has 1 manufacturer part number on file: 135037 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4410-01-390-1435. Verify interchangeability with system specifications before substitution.
Key specifications for 135037: Bore Nominal Diameter: 0.614 INCHES BOTH ENDS IN; Helix Angle: 16.4556 DEGREES; Teeth Quantity: 27; Body Style: PLAIN, SOLID. 14 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.