The Gear,helical, cataloged under National Stock Number 3020-01-384-0708, 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 Hydraulics International, Inc. Dba Hydraulics International Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-384-0708 |
| Primary Part Number | 1808-153 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Teeth Quantity | 69 |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Style Designator | PROTRUDING HUBS |
| Nominal Outside Diameter | 7.000 INCHES IN |
| 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 |
|---|---|
| 1808-153 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 1808-153 | 5/9 Secondary reference Terrell Machine Co the Terrell Gear Drive Div |
NSN 3020-01-384-0708 is a Gear,helical, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-384-0708 has 1 manufacturer part number on file: 1808-153 (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 1808-153: Teeth Quantity: 69; Bore Style: INVOLUTE SPLINE BOTH ENDS; Style Designator: PROTRUDING HUBS; Nominal Outside Diameter: 7.000 INCHES IN. 5 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.