The Gear,helical, cataloged under National Stock Number 3020-00-592-4359, 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 Dresser, Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-592-4359 |
| Primary Part Number | 191115B |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.875 INCHES BOTH ENDS IN |
| Helix Angle | 36.9497 DEGREES |
| Hub Nominal Diameter | 1.7500 INCHES BOTH ENDS IN |
| Teeth Quantity | 38 |
| Body Style | WEBBED, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Style Designator | FLUSH HUB |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAF 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.9625 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 1.1265 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 1141 OVERALL |
| Face Nominal Width | 0.750 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 |
|---|---|
| 191115B PRIMARY | Dresser, Llc (USA) |
| Reference | Meaning |
|---|---|
| 191115 | 5/9 Secondary reference Dresser, Llc |
NSN 3020-00-592-4359 is a Gear,helical, manufactured by Dresser, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-592-4359 has 1 manufacturer part number on file: 191115B (Dresser, Llc).
Key specifications for 191115B: Bore Nominal Diameter: 0.875 INCHES BOTH ENDS IN; Helix Angle: 36.9497 DEGREES; Hub Nominal Diameter: 1.7500 INCHES BOTH ENDS IN; Teeth Quantity: 38. 17 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.