The Gear,spur, cataloged under National Stock Number 3020-01-301-3019, 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 Tulsa Winch, Inc.. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-301-3019 |
| Primary Part Number | 301-10011-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Tulsa Winch, Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.000 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.500 INCHES BOTH ENDS IN |
| Teeth Quantity | 15 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.061 INCHES FIRST END IN |
| Bore Style | INVOLUTE SPLINE SECOND END |
| Bore Style | W/COUNTERBORE FIRST END |
| Mounting Hole Type and Quantity | 1 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Mounting Hole Type and Quantity | 1 PLAIN TRANSVERSELY THROUGH HUB SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 1.125 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 1.250 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.187 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Mounting Hole Nominal Diameter | 0.187 INCHES TRANSVERSELY THROUGH HUB SECOND END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 1.8750 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 6 SECOND END |
| Nominal Outside Diameter | 2.070 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8620 OVERALL |
| Counterbore Nominal Depth | 2.120 INCHES FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 1.750 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 |
|---|---|
| 301-10011-1 PRIMARY | Tulsa Winch, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 71056011 | D/9 Drawing number reference only Iowa Mold Tooling Co Inc |
| 301-10011-1 | 3/9 Design control — primary reference Gear Products Inc |
NSN 3020-01-301-3019 is a Gear,spur, manufactured by Tulsa Winch, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-301-3019 has 1 manufacturer part number on file: 301-10011-1 (Tulsa Winch, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-577-1441. Verify interchangeability with system specifications before substitution.
Key specifications for 301-10011-1: Bore Nominal Diameter: 1.000 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.500 INCHES BOTH ENDS IN; Teeth Quantity: 15; Body Style: PLAIN, SOLID. 23 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.