The Gear,helical, cataloged under National Stock Number 3020-01-059-4133, 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 Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 19 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 | 3020-01-059-4133 |
| Primary Part Number | 72-2219 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Keyway Nominal Width | 0.128 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.436 INCHES BOTH ENDS IN |
| Helix Angle | 0.6875 DEGREES |
| Teeth Quantity | 15 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Precision Classification | QUALITY NUMBER 8 |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM TEETH |
| Style Designator | HUBLESS |
| Material Document and Classification | SAE-8620 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.9441 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 2.194 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 60.251 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 8620 OVERALL |
| Face Nominal Width | 0.625 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 |
|---|---|
| 72-2219 PRIMARY | Department of Defense Project Manager-Mobile Electric Power (USA) |
NSN 3020-01-059-4133 is a Gear,helical, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-059-4133 has 1 manufacturer part number on file: 72-2219 (Department of Defense Project Manager-Mobile Electric Power).
Key specifications for 72-2219: Keyway Nominal Width: 0.128 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.436 INCHES BOTH ENDS IN; Helix Angle: 0.6875 DEGREES; Teeth Quantity: 15. 19 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.